The error is from deploy step of Load night job (SQL Server Agent).

Full error message: SQLPS failed to initialize: Could not load type 'Microsoft.PowerShell.Commands.FormatDefaultCommand' from assembly 'Micr osoft.PowerShell.Commands.Utility, Version=, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. 

Google result:

Solution: Remove the Windows Management Framework 5.1.

It is a compatibility issue between SQL 2008 R2 and the new PowerShell.