Message type: E = Error
Message class: RSAR - Data Transfer and Metadata Maintenance
Message number: 428
Message text: Communication structure & already exists.
A communication structure already exist for this InfoSource.
Therefore, the communication structure of the Content cannot be
transferred.
Delete the existing communication structure. Where necessary, also
delete dependent transfer and update rules.
Then try to transfer the Content again.
Error message extract from SAP system. Copyright SAP SE.
RSAR428
- Communication structure & already exists. ?The SAP error message RSAR428 ("Communication structure & already exists") typically occurs in the context of SAP BW (Business Warehouse) when there is an attempt to create or modify a communication structure that already exists in the system. This can happen during the process of data extraction, transformation, or loading (ETL) when the system detects a naming conflict.
Cause: Duplicate Communication Structure: The error indicates that a communication structure with the same name already exists in the system. This can happen if: You are trying to create a new communication structure with a name that is already in use. There was a previous attempt to create or modify a communication structure that was not completed successfully, leaving behind an entry in the system. Transport Issues: If you are transporting objects between systems (e.g., from development to production), there may be conflicts if the same communication structure exists in both systems.
Solution: Check Existing Structures: Use transaction code
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