Bulk data load failed. An error occurred while unpacking data.

To resolve following error:
Bulk data failed to load. An error occurred while unpacking data.

Usually this error pop-ups only once per form per user. Clearing Usage data (File -> Tools -> Options -> Usage data -> Reset) will repeat it.

You need to delete *.auc and *.kti files located in your user folder on the machine you are running the client:
C:\Users\[your_user_name]\AppData\Local\

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