'MySqlConnector.Core.ConnectionPool' threw an exception

[Kantabriko]

Software versions
NuGet Package 2.40
VB.NET Framework 4.6.2
MariaDB 10.11
It is happening in a W2022 server, in other systems (with different SO) it is working properly.

Describe the bug
When opening a DB connection it throws the next exception:
The type initializer for 'MySqlConnector.Core.ConnectionPool' threw an exception. - - Error Description InnerExc.: The type initializer for 'PerTypeValues`1' threw an exception.

Code sample
Public Sub New(ByVal strConnectionString As String)
Try

       Try
           ConnectionString = strConnectionString
           objConn = New MySqlConnection(strConnectionString)
           objConn.Open()

           If objConn.State = ConnectionState.Closed Then
               objConn.Open()
           End If
       Catch ex As MySqlException
           MsgError = "DB Error: " & ex.Message & " - A connection to DB cannot be established." & vbCr & "ConnectString = " & strConnectionString
           Exit Sub
       End Try
   Catch ex2 As Exception
       MsgError = "Error: " & ex2.Message & " - A connection to DB cannot be established." & vbCr & "ConnectString = " & strConnectionString
       Exit Sub
   End Try

The exception is thrown through Catch ex2 As Exception

Additional context
DBConnectString = server=;port=3306;userid=root;password=<PWD;database=

[bgrainger]

Error Description InnerExc.: The type initializer for 'PerTypeValues`1' threw an exception.

Are you able to provide the full inner exception message, call stack, and any inner exceptions it has?

The full Exception.ToString from the outermost exception would be very helpful.

[bgrainger]

'PerTypeValues`1'

There's no PerTypeValues<T> class in this repository, so this seems like an external issue. Closing until more information is provided.

[Kantabriko]

Full Exception:

New - ConexMySQL.vb - The type initializer for 'MySqlConnector.Core.ConnectionPool' threw an exception. - - Error Description InnerExc.: The type initializer for 'PerTypeValues`1' threw an exception.

Full Exception

System.TypeInitializationException: The type initializer for 'MySqlConnector.Core.ConnectionPool' threw an exception.
 ---> System.TypeInitializationException: The type initializer for 'PerTypeValues`1' threw an exception.
 ---> System.IO.FileLoadException: Could not load file or assembly 'System.Runtime.CompilerServices.Unsafe, Version=4.0.4.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)
   at System.SpanHelpers.PerTypeValues`1.MeasureArrayAdjustment()
   at System.SpanHelpers.PerTypeValues`1..cctor()
   --- End of inner exception stack trace ---
   at System.SpanHelpers.IsReferenceOrContainsReferences[T]()
   at Microsoft.Extensions.Logging.LogValuesFormatter..ctor(String format)
   at Microsoft.Extensions.Logging.LoggerMessage.CreateLogValuesFormatter(String formatString, Int32 expectedNamedParameterCount)
   at Microsoft.Extensions.Logging.LoggerMessage.Define[T1,T2](LogLevel logLevel, EventId eventId, String formatString, LogDefineOptions options)
   at Microsoft.Extensions.Logging.LoggerMessage.Define[T1,T2](LogLevel logLevel, EventId eventId, String formatString)
   at MySqlConnector.Core.ConnectionPool..cctor()
   --- End of inner exception stack trace ---
   at MySqlConnector.Core.ConnectionPool.GetPool(String connectionString, MySqlConnectorLoggingConfiguration loggingConfiguration, Boolean createIfNotFound)
   at MySqlConnector.MySqlConnection.<OpenAsync>d__29.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at MySqlConnector.MySqlConnection.Open()
   at xxxxxx.ConexMySQL..ctor(String strConnectionString) in D:\xxxxx\xxxxx\ConexMySQL.vb:line 33

It's very strange. It works on local with same version of MySQL.
It only fails on this production server (I have this small app distributed across several sites, with different MariaDB servers working correctly, only fails here)

The complete exception points me to System.Runtime.CompilerServices.Unsafe
I will try solve, any idea is welcome.

[Kantabriko]

The version of System.Runtime.CompilerServices.Unsafe included in the build is 6.0.21.52210 that matches if I'm not wrong the Framework 4.6.2
Not sure why it asks for 4.0.4.1

[Kantabriko]

Finally, solved on my side.
Started new project, imported all code/forms and install NuGet packages to MySQLConnector (2.40).
Now it works.

(So an old reference where included somewhere or some dependency was present from unused components).
You can close this ticket. Thanks.