HTTP Error 502.5 - Process Failure: The current .Net SDK does not support targeting .NET Core 3.0. Either target .NET Core 2.2 or lower. Visual Studio 2019 unable to locate .Net Core SDK

Solved Error: Docker-Compose up ContainerName "ERROR: for mssql_DT Cannot start service ms_sql_server: driver failed programming external connectivity on endpoint mssql_DT (hashed): Error starting userland proxy: mkdir /port/tcp:0.0.0.0:PortNumber:tcp:IP:PortNumber: input/output error"

Docker Container Micro-Service Error: Can not Connect to SQL Server in Docker Container from Microsoft Sql Server Management

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2 "No such file or directory")

InvalidOperationException: The model item passed into the ViewDataDictionary is of type 'System.Collections.Generic.List`1', but this ViewDataDictionary instance requires a model item of type 'Another Model'.