SAP Knowledge Base Article - Preview

3756909 - "Accounting data: &1 / &2 already exists" error occurs during simulation phase in Migrate Your Data app.

Symptom

Below error occurs during the simulation phase for the migration object “Product - extend existing record by new org levels” in the Migrate Your Data app.

Message no. CNV_DMC_SIN 263


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Environment

SAP S/4HANA Cloud Public Edition

Product

SAP S/4HANA Cloud Public Edition all versions

Keywords

migrate your data, migration cockpit, product extension, extend existing record by new org levels, cnv_dmc_sin 263, dmc_rt_msg 188, accounting, simulation error, product organizational levels, mass maintenance, product accounting view, data migration error, material extension, staging table , KBA , CA-GTF-MIG , SAP S/4HANA Data Migration Cockpit Content , LO-MD-MM-2CL , Product Master for Public Cloud , Problem

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