Message type: E = Error
Message class:  CNV_OM_MWBGEN - SLO: Messages for Object Based MBW Generation 
Message number: 090
Message text: Access Plan &1 could not be created for object &2
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The SAP error message CNV_OM_MWBGEN090 indicates that the system encountered an issue while trying to create an access plan for a specific object during a data migration or conversion process. This error is typically associated with the SAP Conversion or Migration tools, particularly in the context of the SAP S/4HANA migration.
Cause: The error can be caused by several factors, including: Missing or Incomplete Configuration: The object for which the access plan is being created may not be properly configured or may be missing necessary data. Authorization Issues: The user executing the operation may not have the required authorizations to create access plans for the specified object. Technical Issues: There may be underlying technical issues, such as database inconsistencies or problems with the migration tools themselves. Object Not Found: The specified object may not exist in the system or may have been deleted or renamed. System Performance: If the system is under heavy load, it may not
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