How To Fix CNV_OM_MWBGEN090 - Access Plan &1 could not be created for object &2

SAP Error Message - Details

• 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

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_OM_MWBGEN090 - Access Plan &1 could not be created for object &2 ?

  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 be able to process the request in a timely manner.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check Object Configuration: Verify that the object for which the access plan is being created is correctly configured and exists in the system.
  Review Authorizations: Ensure that the user has the necessary authorizations to perform the operation. You may need to consult with your SAP security team.
  Check Logs: Review the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Database Consistency: Run consistency checks on the database to ensure there are no underlying issues affecting the object.
  System Performance: If the system is under heavy load, consider running the operation during off-peak hours or after optimizing system performance.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and SLG1 (Application Log) for troubleshooting.
  Migration Tools: Understand the specific migration tools being used (e.g., SAP S/4HANA Migration Cockpit, SAP Landscape Transformation) and their documentation for best practices and troubleshooting.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.