Cheers
Is the table opened by you or someone else in design mode?
Do you have "record locks -- All records" selected?
I googled "3188 and access and lock" and found this:
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I am starting to get 'Multi-user' conflict errors by some users when
attempting to enter a record which contains a memo field. I know
that there are no other users logged in. My solution, or a quick
fix, is to copy the memo field to the clipboard (or notepad) cancel
out of the record, then select Add Record again (I use tempoary tables
to add/edit records). This works everytime, but I'm stumped as to
why this error occurs in the first place. Any suggestions please.
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HTH,
KC