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SAP Knowledge Base Article - PreviewSymptom
During migration with "Migrate your data" old or new app, all mapping steps in phase "Convert your values" or "Preparation". Afterwards in simulation phase there are errors raised:
"Mapping value missing for mapping XY"
Message no. DMC_RT_MSG091
Most frequently for missing Cost center or Profit center mapping.
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Environment
SAP S/4HANA Cloud
SAP S/4HANA onpremise
Product
SAP S/4HANA Cloud all versions ; SAP S/4HANA all versions
Keywords
mapping, convert your values, LTMC, migration, DMC_RT_MSG091, DMC_RT_MSG 091 , KBA , CA-GTF-MIG , SAP S/4HANA Data Migration Cockpit Content (LTMC) , CA-LT-MC , S/4HANA Migration Cockpit , Problem
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