Hello and welcome to the Forum.. Adding more details like the error screen, Transaction steps, what you tried, what worked , what did not work will help you get a suitable response..
Please add the screen-shot along with the Question using the Edit option instead of mentioning it in the Answer section.. so all the information is together.. Looks like a problem in CKMLHD table.. You may check the table or ask your technical person to take a look..
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