Solved Solutions to computer programming Errors

Unable to start Kestrel. System.InvalidOpera

.NET 7
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Unable to start Kestrel. System.InvalidOperationException: Unable to configure HTTPS endpoint. No server certificate was specified, and the default developer certificate could not be found or is out of date

.NET 7
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Nginx.service: Control process exited, code=exited

SERVER
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Nginx.service: Control process exited, code=exited status=1 (Failed to start LSB: Stop/start nginx)

SERVER
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Unable to start Kestrel. Internal.Cryptograp

QUESTIONS
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Unable to start Kestrel. Internal.Cryptography.CryptoThrowHelper+WindowsCryptographicException: Cannot find the requested object. at Internal.Cryptography.Pal.CertificatePal.FromBlobOrFile(ReadOnlySpan`1 rawData, String fileName, SafePasswordHandle password, X509KeyStorageFlags keyStorageFlags)

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[HTTP Error 500.30]: Failed to load coreclr.Exception message CLR worker thread exited prematurely

SERVERS
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Nginx: Kill all Nginx process on Linux and Run a c

LINUX
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Nginx: Kill all Nginx process on Linux and Run a command without navigating to the directory in Linux Ubuntu

LINUX
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[Solved] Asp.Net Core 3.1 Visual Studio 2019 Erro

.NET 7
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[Solved] Asp.Net Core 3.1 Visual Studio 2019 Error After Update: build failing with Error MSB6006: “csc.exe” exited with code 1

.NET 7
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Solved: docker-compose build asp.net core 3.0 erro

DOCKER
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Solved: docker-compose build asp.net core 3.0 error rzc discover exited with code 150

DOCKER
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Debugging ASP.NET Core Applications: Accessing Kes

.NET 7
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Debugging ASP.NET Core Applications: Accessing Kestrel from Remote Computers

.NET 7
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Upgrading to .Net Core 3.1 Error Visual Studio 201

.NET 7
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Upgrading to .Net Core 3.1 Error Visual Studio 2019: dotnet core 3.1 rzc generate exited with code 2147450730

.NET 7
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10964 ExecStop=/usr/sbin/corosync-cfgtool -H --fo

SERVERS
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10964 ExecStop=/usr/sbin/corosync-cfgtool -H --force (code=exited, status=1/FAILURE)

SERVERS
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Web API 415: Unsupported Media Type

TUTORIALS
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Web API 415: Unsupported Media Type

TUTORIALS
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Entity framework "InvalidCastException: Unable to

.NET 7
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Entity framework "InvalidCastException: Unable to cast object of type 'System.Int32' to type 'System.Decimal."

.NET 7
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MSBUILD : error MSB1009: Project file does not exi

.NET 7
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MSBUILD : error MSB1009: Project file does not exist. Switch: ProjectName.csproj

.NET 7
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Ubuntu 23.10 Failed to start ssh.service - OpenBSD

LINUX
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Ubuntu 23.10 Failed to start ssh.service - OpenBSD Secure Shell Server

LINUX
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Encountered end tag "div" with no matching start t

.NET 7
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Encountered end tag "div" with no matching start tag Are your start end tags properly balanced

.NET 7
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Unable to reattach to the process Visual Studio 20

.NET 7
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Unable to reattach to the process Visual Studio 2022

.NET 7
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HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Proce

.NET 7
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HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Process Start Failure

.NET 7
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Video Encoding Dash Videos MPD file not working Tr

TECHNOLOGY
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Video Encoding Dash Videos MPD file not working Troubleshooting Techniques

TECHNOLOGY
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HTTP Error 500.30 - ASPNET CORE app failed to star

.NET 7
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HTTP Error 500.30 - ASPNET CORE app failed to start

.NET 7
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InvalidOperationException: Unable to resolve servi

.NET 7
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InvalidOperationException: Unable to resolve service for type 'System.IFormatProvider' while attempting to activate 'RepositoryService'.

.NET 7
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System.InvalidCastException: Unable to cast object

QUESTIONS
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System.InvalidCastException: Unable to cast object of type 'Microsoft.ML.Data.TransformerChain`1[Microsoft.ML.ITransformer]' to type 'Microsoft.ML.Data.TransformerChain`1[Microsoft.ML.Data.RegressionPredictionTransformer`1[Microsoft.ML.Trainers.LinearRegressionModelParameters]]'.

QUESTIONS
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Could not execute because the application was not

.NET 7
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Could not execute because the application was not found or a compatible .Net SDK is not installed

.NET 7
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Error MSB3021: Unable to copy file

.NET 7
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Error MSB3021: Unable to copy file

.NET 7
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[Asp.Net Core 3.1] Zebra Printer SDK C# Unable to

.NET 7
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[Asp.Net Core 3.1] Zebra Printer SDK C# Unable to Find "DiscoveredUsbPrinter"

.NET 7
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InvalidOperationException: An error was generated

ENTITY FRAMEWORK
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InvalidOperationException: An error was generated for warning 'Microsoft.EntityFrameworkCore.Query.InvalidIncludePathError

ENTITY FRAMEWORK
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How to use one appsettings.json file across muilti

TECHNOLOGY
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How to use one appsettings.json file across muiltiple applications

TECHNOLOGY
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[Solved] System.InvalidOperationException: 'Unable

QUESTIONS
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[Solved] System.InvalidOperationException: 'Unable to track an entity of type 'EntityName' because its primary key property 'Id' is null

QUESTIONS
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Solved!! Ruby on Rails Server Wont Start Error

TECHNOLOGY
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Solved!! Ruby on Rails Server Wont Start Error

TECHNOLOGY
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Publish has encountered an error. Build failed. Ch

.NET 7
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Publish has encountered an error. Build failed. Check the Output window for more details

.NET 7
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Thermal Printer Error "Security Center failed to v

QUESTIONS
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Thermal Printer Error "Security Center failed to validate caller with error DC040780"

QUESTIONS
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Sql Server Error: Unable to modify table. The co

SQL
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Sql Server Error: Unable to modify table. The conversion of a date data type to a datetime data type resulted in an out-of-range value. The statement has been terminated

SQL
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Unable to bind to localhost on the IPv4 loopback i

.NET 7
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Unable to bind to localhost on the IPv4 loopback interface: An attempt was made to access a socket in a way forbidden by its access permission

.NET 7
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InvalidOperationException: An error was generated

.NET 7
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InvalidOperationException: An error was generated for warning 'Microsoft.EntityFrameworkCore.Query.InvalidIncludePathError': Unable to find navigation 'EntityName' specified in string based include path 'AnotherEntity Name'.

.NET 7
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Internal Server Error 500 is not returned in Http

QUESTIONS
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Internal Server Error 500 is not returned in Http Response using Kestrel Web Server (White Screen of Death) AspNet 6

QUESTIONS
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Unable to stop debugging. Operation not supported.

.NET 7
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Unable to stop debugging. Operation not supported. Unknown error: 0x800004005

.NET 7
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How to Reinstall Kubernetes on Ubuntu Server

LINUX
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How to Reinstall Kubernetes on Ubuntu Server

LINUX
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[Solved]: Invalid version: 16. (Microsoft.SqlServe

[Solved]: Invalid version: 16. (Microsoft.SqlServer.Smo)

OTHER
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Micro-service application running inside Docker Co

DOCKER
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Micro-service application running inside Docker Container Error: IDX10803 and IDX10804 Unable to obtain configuration from: 'https://localhost/.well-known/openid-configuration'

DOCKER
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An error was generated for warning 'Microsoft.Enti

ENTITY FRAMEWORK
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An error was generated for warning 'Microsoft.EntityFrameworkCore.Query.InvalidIncludePathError': Unable to find navigation specified in string based include path

ENTITY FRAMEWORK
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Entity Framework Core Error: Unable to track an en

ENTITY FRAMEWORK
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Entity Framework Core Error: Unable to track an entity of type "Model Class Object" because primary key property 'id' is null

ENTITY FRAMEWORK
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Unhandled exception. System.InvalidOperationExcept

.NET 7
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Unhandled exception. System.InvalidOperationException: This platform doesn't support QUIC or HTTP3

.NET 7
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resolv.conf no such file or directory

SERVERS
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resolv.conf no such file or directory

SERVERS
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[SOLVED!! Entity Framework Error Asp.Net Core 3.1]

.NET 7
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[SOLVED!! Entity Framework Error Asp.Net Core 3.1] InvalidCastException: Unable to cast object of type 'Microsoft.EntityFrameworkCore.Query.Internal.EntityQueryable`

.NET 7
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Retraining Machine Learning Model in Microsoft Mac

MACHINE LEARNING
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Retraining Machine Learning Model in Microsoft Machine Learning (ML.Net) Error

MACHINE LEARNING
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Asp.Net Core 3.1 Dependency Injection Error Unable

.NET 7
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Asp.Net Core 3.1 Dependency Injection Error Unable to resolve service for type 'Microsoft.AspNetCore.Http.HttpContext

.NET 7
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[Solved] Entity Framework Core (EF 6) Error: Unabl

ENTITY FRAMEWORK
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[Solved] Entity Framework Core (EF 6) Error: Unable to track an entity of type 'YourModalName' because primary key property 'id' is null.

ENTITY FRAMEWORK
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Visual Studio Code cannot Detect Git Branches

GIT
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Visual Studio Code cannot Detect Git Branches

GIT
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Error 0xc0202009: Data Flow Task 1: SSIS Error Cod

SERVERS
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Error 0xc0202009: Data Flow Task 1: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80004005

SERVERS
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Error 0xc0202009: Data Flow Task 1: SSIS Error Co

SQL
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Error 0xc0202009: Data Flow Task 1: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80004005

SQL
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Exited with error code -532462766 Unable to start Kestrel

Unable to start Kestrel. System.InvalidOpera

Unable to start Kestrel. System.InvalidOperationException: Unable to configure HTTPS endpoint. No server certificate was specified, and the default developer certificate could not be found or is out of date

Nginx.service: Control process exited, code=exited

Nginx.service: Control process exited, code=exited status=1 (Failed to start LSB: Stop/start nginx)

Unable to start Kestrel. Internal.Cryptograp

Unable to start Kestrel. Internal.Cryptography.CryptoThrowHelper+WindowsCryptographicException: Cannot find the requested object. at Internal.Cryptography.Pal.CertificatePal.FromBlobOrFile(ReadOnlySpan`1 rawData, String fileName, SafePasswordHandle password, X509KeyStorageFlags keyStorageFlags)

Linux service returns (code=exited, status=2)

Linux service returns (code=exited, status=2)

[HTTP Error 500.30]: Failed to load coreclr.Except

[HTTP Error 500.30]: Failed to load coreclr.Exception message CLR worker thread exited prematurely

Nginx: Kill all Nginx process on Linux and Run a c

Nginx: Kill all Nginx process on Linux and Run a command without navigating to the directory in Linux Ubuntu

[Solved] Asp.Net Core 3.1 Visual Studio 2019 Erro

[Solved] Asp.Net Core 3.1 Visual Studio 2019 Error After Update: build failing with Error MSB6006: “csc.exe” exited with code 1

Solved: docker-compose build asp.net core 3.0 erro

Solved: docker-compose build asp.net core 3.0 error rzc discover exited with code 150

Debugging ASP.NET Core Applications: Accessing Kes

Debugging ASP.NET Core Applications: Accessing Kestrel from Remote Computers

Upgrading to .Net Core 3.1 Error Visual Studio 201

Upgrading to .Net Core 3.1 Error Visual Studio 2019: dotnet core 3.1 rzc generate exited with code 2147450730

10964 ExecStop=/usr/sbin/corosync-cfgtool -H --fo

10964 ExecStop=/usr/sbin/corosync-cfgtool -H --force (code=exited, status=1/FAILURE)

Web API 415: Unsupported Media Type

Web API 415: Unsupported Media Type

Entity framework "InvalidCastException: Unable to

Entity framework "InvalidCastException: Unable to cast object of type 'System.Int32' to type 'System.Decimal."

MSBUILD : error MSB1009: Project file does not exi

MSBUILD : error MSB1009: Project file does not exist. Switch: ProjectName.csproj

Ubuntu 23.10 Failed to start ssh.service - OpenBSD

Ubuntu 23.10 Failed to start ssh.service - OpenBSD Secure Shell Server

Encountered end tag "div" with no matching start t

Encountered end tag "div" with no matching start tag Are your start end tags properly balanced

Unable to reattach to the process Visual Studio 20

Unable to reattach to the process Visual Studio 2022

HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Proce

HTTP Dot Net Core 2.2 Error 500.30 - ANCM In-Process Start Failure

Video Encoding Dash Videos MPD file not working Tr

Video Encoding Dash Videos MPD file not working Troubleshooting Techniques

HTTP Error 500.30 - ASPNET CORE app failed to star

HTTP Error 500.30 - ASPNET CORE app failed to start

InvalidOperationException: Unable to resolve servi

InvalidOperationException: Unable to resolve service for type 'System.IFormatProvider' while attempting to activate 'RepositoryService'.

System.InvalidCastException: Unable to cast object

System.InvalidCastException: Unable to cast object of type 'Microsoft.ML.Data.TransformerChain`1[Microsoft.ML.ITransformer]' to type 'Microsoft.ML.Data.TransformerChain`1[Microsoft.ML.Data.RegressionPredictionTransformer`1[Microsoft.ML.Trainers.LinearRegressionModelParameters]]'.

Could not execute because the application was not

Could not execute because the application was not found or a compatible .Net SDK is not installed

Error MSB3021: Unable to copy file

Error MSB3021: Unable to copy file

[Asp.Net Core 3.1] Zebra Printer SDK C# Unable to

[Asp.Net Core 3.1] Zebra Printer SDK C# Unable to Find "DiscoveredUsbPrinter"

InvalidOperationException: An error was generated

InvalidOperationException: An error was generated for warning 'Microsoft.EntityFrameworkCore.Query.InvalidIncludePathError

How to use one appsettings.json file across muilti

How to use one appsettings.json file across muiltiple applications

[Solved] System.InvalidOperationException: 'Unable

[Solved] System.InvalidOperationException: 'Unable to track an entity of type 'EntityName' because its primary key property 'Id' is null

Solved!! Ruby on Rails Server Wont Start Error

Solved!! Ruby on Rails Server Wont Start Error

Publish has encountered an error. Build failed. Ch

Publish has encountered an error. Build failed. Check the Output window for more details

Thermal Printer Error "Security Center failed to v

Thermal Printer Error "Security Center failed to validate caller with error DC040780"

Sql Server Error: Unable to modify table. The co

Sql Server Error: Unable to modify table. The conversion of a date data type to a datetime data type resulted in an out-of-range value. The statement has been terminated

Unable to bind to localhost on the IPv4 loopback i

Unable to bind to localhost on the IPv4 loopback interface: An attempt was made to access a socket in a way forbidden by its access permission

InvalidOperationException: An error was generated

InvalidOperationException: An error was generated for warning 'Microsoft.EntityFrameworkCore.Query.InvalidIncludePathError': Unable to find navigation 'EntityName' specified in string based include path 'AnotherEntity Name'.

Internal Server Error 500 is not returned in Http

Internal Server Error 500 is not returned in Http Response using Kestrel Web Server (White Screen of Death) AspNet 6

Unable to stop debugging. Operation not supported.

Unable to stop debugging. Operation not supported. Unknown error: 0x800004005

How to Reinstall Kubernetes on Ubuntu Server

How to Reinstall Kubernetes on Ubuntu Server

[Solved]: Invalid version: 16. (Microsoft.SqlServe

[Solved]: Invalid version: 16. (Microsoft.SqlServer.Smo)

Micro-service application running inside Docker Co

Micro-service application running inside Docker Container Error: IDX10803 and IDX10804 Unable to obtain configuration from: 'https://localhost/.well-known/openid-configuration'

An error was generated for warning 'Microsoft.Enti