Message type: E = Error
Message class: /RPM/PLANNING -
Message number: 300
Message text: Duplicate entries in mapping for &1
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The SAP error message /RPM/PLANNING300 Duplicate entries in mapping for &1 typically occurs in the context of SAP's Resource and Portfolio Management (RPM) module, particularly when dealing with planning and mapping data. This error indicates that there are duplicate entries in the mapping table for a specific entity (represented by &1), which can lead to inconsistencies and issues in data processing.
Cause: Duplicate Entries: The primary cause of this error is the presence of duplicate entries in the mapping table. This can happen due to: Incorrect data entry or import processes. Data migration issues where the same record is imported multiple times. Manual errors during configuration or mapping setup.
Configuration Issues: Sometimes, the configuration settings for the mapping might not be set up correctly, leading to unintended duplicates.
Solution: To resolve the /RPM/PLANNING300 Duplicate entries in mapping for &1 error, you can follow these steps: Identify Duplicates: Use transaction codes like SE16 or SE11 to access the relevant database tables
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