Saving a Settlement: Error 52 Bad File Name or Number

Q.  Saving a Settlement and got message:
The following Error occured in the Postsettlement Sub. That Error was:
Error Number: 52
Error Source: AgvanceGrain
Error Description: Bad file name or number

A.  The user did not have permissions to access files listed on the hardware recommendations document. Once permission was established, the user was able to save the settlement.