Why don't you validate data on front end to avoid the error?
Why do you refresh the form instead of handling the error?

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>I have defined some constraints on the FireBird backend database. On violation the form looses all the data and goes into a blank state as the remote view is probably blanked. I am using CodeBook as the framework. The following is the message that I get for a Unique Key violation
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>violation of PRIMARY or UNIQUE KEY constraint "UNQ_MLOOKUPS_CATEGORY" on table "MLOOKUPS"
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>Can I handle this more gracefully?