​This validation exception may occur when either:

A) The connection between the workstation and server times out


B) In the Blackbaud hosting environment if the process takes longer than the hosting inactivity period allows for and the session is not refreshed/inactivity period restarted by moving the mouse, pressing a key, etc.

If the batch being imported is exceptionally large:
1. Export the data from the subsidiary in smaller groups to shorten the time needed to processes a given batch of transactions
2. Move the cursor at least once an hour while the system is importing
3. Request to temporarily extend the timeout period in the hosting environment