Message type: E = Error
Message class:  RSDMDM - RSDMDM 
Message number: 020
Message text: InfoObject &1 cannot be maintained
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The SAP error message RSDMDM020, which states "InfoObject &1 cannot be maintained," typically occurs when there are issues related to the maintenance of an InfoObject in the SAP BW (Business Warehouse) system. Here are some common causes, solutions, and related information for this error: Causes: InfoObject Status: The InfoObject may be in a status that does not allow maintenance, such as being locked or in a transport request. Authorization Issues: The user may not have the necessary authorizations to maintain the InfoObject. Technical Settings: The InfoObject may have technical settings that prevent changes, such as being part of a composite provider or being used in a query. Data Model Issues: The InfoObject might be part of a data model that is currently being processed or is in a state that does not allow changes. Versioning: The InfoObject may be in a version that is not active or is in a different version than expected. Solutions: Check Status: Verify
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