Customized "There is already another row with key...."

Any possibility we can have a customized “There is already another row with key…” error message?
It is very useful in catching duplicate keys and custom message to users would be very nice…
Thanks

Indeed, we’re given many options perhaps it just hasn’t been added to the list yet.
CloudApp

Yeah. A similar one is the Valid_If error message which is customizable.
Looking forward to the addition.

Cheers


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