Message type: E = Error
Message class:  RSO_SEGR - Messages for TLOGO = SEGR  (Semantic Group of ADSOs) 
Message number: 012
Message text: M and A Version of Semantic Group '&1' identical
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The SAP error message RSO_SEGR012 indicates that there is an issue with the semantic groups in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence). Specifically, the error message states that the "M and A Version of Semantic Group '&1' identical," which means that the "M" (Master) version and the "A" (Active) version of the specified semantic group are identical, which is not allowed.
Cause: Identical Versions: The primary cause of this error is that the Master version and the Active version of the semantic group are the same. This can happen if the semantic group was not properly updated or if there was an error during the data loading or transformation process.
Configuration Issues: There may be configuration issues in the semantic group settings that lead to this situation. Data Model Changes: Changes in the data model or the underlying data sources may have resulted in the versions being inadvertently
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