I have the same problem when copy customer from ecc to crm.
I deleted the data (00001321 IS-CS, DE_KTOKD IS-CS)in the table TBE31(ECC), then this problem is solved.
hope these can help you.
I have the same problem when copy customer from ecc to crm.
I deleted the data (00001321 IS-CS, DE_KTOKD IS-CS)in the table TBE31(ECC), then this problem is solved.
hope these can help you.