1. Navigate to a different area of the program, such as records, reports or query.
2. Navigate back to the original area
If "Error in main page load" no longer appears, select File > Exit and Sign out and Sign back into The Financial Edge 

If the error still appears after navigating away and back to the originally desired area and occurs only on one workstation for only one Windows user, then:

If the error occurs only on one workstation for multiple Windows users, then repair The Financial Edge installation on the workstation.

If the error occurs on multiple workstations for multiple Windows users, then see Knowledgebase Solution 38259.