Ryan Pearce in support sent me these instructions when a customer had this error last year. This worked.
1. Make a backup of MAS90 folder
2. Log into Sage 100
3. Select File, Run from toolbar
4. Type: SYZCON
5. Click OK
6. Type: DD
7. Press Enter
8. Click on binoculars icon on Table name field
9. Expand C/M and double-click 'CM_UDFMaintenanceListingWrk'
10. Click on 'Data Elements' tab
11. Move 'Sort Field' to top of list
12. Click 'Exit' in lower right corner
13. Type: BYE
14. Try printing UDF List
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Karen O'Lane
Accounting Systems, Inc. (ASI)
kolane@asifocus.com90 Minds Secretary
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