Message type: E = Error
Message class: RSDMD - Messages for master data
Message number: 502
Message text: A data record with the same key already exists
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The SAP error message RSDMD502 indicates that there is an attempt to insert or update a data record in a data store (like an InfoObject or InfoProvider) that has a key which already exists. This typically occurs in the context of data loading or data modeling in SAP BW (Business Warehouse).
Cause: Duplicate Key Values: The most common cause of this error is that the data being loaded contains duplicate key values that already exist in the target data store. Data Source Issues: The source data might have duplicates that are not being handled before the load. Incorrect Data Transformation: If there are transformations applied during the data load, they might not be correctly handling duplicates. Data Model Configuration: The configuration of the InfoObject or InfoProvider might not be set up to handle duplicates appropriately.
Solution: Check Source Data: Review the source data for duplicates. You can use tools like Excel or SQL queries to identify duplicate
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