Error: Can’t open MAS90 data file:SY_Task.M4T after updating to Sage 100

Summary:

When using Accounting Interface to Sage 100 Advanced for SQL (Formerly MAS200) recieve error: Can’t open MAS90 data file:SY_Task.M4T when testing interface. 

Cause:

This error message means the user does not have the permission to write the distribution records to the database.

Solution:

Permissions should be set to Full Control for all users and groups to the MAS90 directories and database.