Вот ошибка:
Could not load type 'System.StringComparer' from assembly 'System.Runtime, Version=4.2.2.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'.
The type initializer for 'MySql.Data.MySqlClient.MySqlBaseConnectionStringBuilder' threw an exception.
The type initializer for 'MySql.Data.MySqlClient.MySqlConnectionStringBuilder' threw an exception.
System.TypeInitializationException: The type initializer for 'MySql.Data.MySqlClient.MySqlConnectionStringBuilder' threw an exception.
 ---> System.TypeInitializationException: The type initializer for 'MySql.Data.MySqlClient.MySqlBaseConnectionStringBuilder' threw an exception.
 ---> System.TypeLoadException: Could not load type 'System.StringComparer' from assembly 'System.Runtime, Version=4.2.2.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'.
   at new MySql.Data.Common.MySqlConnectionStringOptionCollection()
   at static MySql.Data.MySqlClient.MySqlBaseConnectionStringBuilder()
   --- End of inner exception stack trace ---
   at static MySql.Data.MySqlClient.MySqlConnectionStringBuilder()
   --- End of inner exception stack trace ---
   at MySql.Data.MySqlClient.MySqlConnectionStringBuilder..ctor()
   at MySql.Data.MySqlClient.MySqlConnection..ctor()
   at MySql.Data.MySqlClient.MySqlConnection..ctor(String connectionString)
   at mygamemode.DBConnection.Connect() in C:\RAGEMP\server-files\dotnet\resources\mygamemode\DBConnection.cs:line 19