I found the following by doing the following.
1. Copied the error message as you posted it.
2. Went to Sage Support web page.
3. Logged in.
4. Went to their Knowledge Base
5. Went to MAS90/200
6. Went to Text Search.
7. Pasted in your error message.
8. As if by magic this came up.
Error 105 SOWUAD 5070 or Error 107 SOWUAD 5070, when posting invoices
Entry Type: Informational
Product: Sage MAS 90 ERP, Sage MAS 200 ERP
Application: Sales Order Processing
Version Reported: All
Subject:
Error 105 SOWUAD 5070 or Error 107 SOWUAD 5070, when posting invoices.
Possible Resolution:
Note: Use caution when working with repair utilities. Always make a backup first. If necessary, seek the assistance of a qualified Sage Software business partner or Customer Support analyst.
1. Rebuild ARN (Invoice History Header File).
2. Rebuild Accounts Receivable sort files.