Promob - System.TypeInitializationException

What happens?

When Promob is opened, the System.TypeInitializationException message is displayed.

What to do?

Solution 1: repair Microsoft .NET Framework

1. Repair Microsoft .NET Framework 4.5 Using Microsoft Repair Tool.

Solution 2: reinstall Microsoft .NET Framework

1. Uninstall and reinstall Microsoft .NET Framework 4.5.