This support note applies to:
- AO Classic Tax (AU)
- AO Classic Practice Management (AU)
- AO Classic General Ledger (AU)
When opening MYOB Accountants Office (AO) Classic you may experience the error "1561/invalid database".
To successfully opent MYOB AO Classic, delete the three CADATA files that are located in your Data folder.
Refer to Re-indexing AO Classic
If you are still experiencing the error after performing the procedure, contact MYOB Support for further assistance.