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2839648 - Error DMC_RT_MSG 625 – “&1 contains records with duplicate keys:” occurs in Migration of Material Master(LTMC)


During upload of materials (migration object material Masterr using transaction LTMC) the system comes back with the following error message:

Sheet Tax Classification contains incorrect records
DMC_RT_MSG 625 - "Tax Classification contains records with duplicate keys:"

Further processing of the file canceled due to duplicate key errors.

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."



  • SAP S/4HANA 2021 and lower


SAP S/4HANA all versions


LTMC, Migration Cockpit, Material Master, SIF_MATERIAL, Tax classification,  records with duplicate keys, Tax Category, Tax classification,  Departure Country, DMC_RT_MSG 625. , KBA , CA-GTF-MIG , SAP S/4HANA Data Migration Cockpit Content , How To

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