Hi,I am getting this error while running the Load Operation for full load for one of the source system.Any help ,highly appreciated.

Hi,I am getting this error while running the Load Operation for full load for one of the source system.Any help ,highly appreciated.
Best answer by AKislyakov
This is very suspicious, the error relates to a CopyColumn action
Can you check which step failed? Usually it is the one, that has value in the Started column, but no value in the Finished.
In following example, it is the Match(contact) that failed
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