Couldn't update; currently locked.
Error 3218
You tried to update data that is currently locked.
Possible causes:
You tried to save a query that is in use by another user. To save your query, wait for the other user to finish or enter a different name, and then try the operation again.
You tried to use the Edit method on a record that is already open or locked. Move to another record on the form and then try the edit operation again.