Error: "1104/Error reading file" or "1105/Error writing to file"

This support note applies to:

AO Classic Document Manager (AU)
AO Classic Document Manager (NZ)
AO Classic Tax (AU)
AO Classic Practice Management (AU)
AO Classic General Ledger (AU)
AO Classic (NZ)

Article ID: 583

When in or accessing MYOB Accountants Office Classic the following error "1104/Error reading file" or "1105/Error writing to file" may occur.

These errors are generated by Microsoft Windows and can relate to network issues like a network connection failure which can occur in Remote Desktop applications. Alternatively this error can also be related to files with a read-only attribute.

To reindex Accountants Office

Restart the workstation as this may relate to a file sharing issue or error.
Delete the 3 CADATA.* files and reindex all AO Classic modules. Refer to Re-indexing AO Classic
Perform a reboot of the data server.
If the issue keeps reoccurring after the workstations are left idling for more then 15 mins for example. It can be caused by Windows disconnecting the network drive to save resources. You can extend this timeout period by running through the following Microsoft KB. Microsoft KB: Mapped Drive Connection to Network Share May Be Lost.