How To Fix DMC_UTIL_MSG028 - No access plan calculation - cluster supplied by external source

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_UTIL_MSG - DMC: Messages for General Functions

• Message number: 028

• Message text: No access plan calculation - cluster supplied by external source

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 DMC_UTIL_MSG028 - No access plan calculation - cluster supplied by external source ?

  The SAP error message DMC_UTIL_MSG028 ("No access plan calculation - cluster supplied by external source") typically occurs in the context of SAP Data Management and Data Integration processes, particularly when working with data from external sources. This error indicates that the system is unable to calculate an access plan for the data because the data is being supplied from an external source, which may not be fully integrated or recognized by the SAP system.
  Causes:
  
  External Data Source: The data being accessed is from an external source that does not have a defined access plan in the SAP system.
  Configuration Issues: There may be configuration issues in the Data Management settings that prevent the system from recognizing the external data source.
  Missing Metadata: The necessary metadata for the external data source may be missing or incorrectly defined in the SAP system.
  Authorization Issues: The user may not have the necessary permissions to access the external data source.
  
  Solutions:
  
  
  Check Data Source Configuration:
  
  Ensure that the external data source is correctly configured in the SAP system. This includes verifying connection settings, data source definitions, and any relevant parameters.
  
  
  
  Define Access Plan:
  
  If applicable, define an access plan for the external data source within the SAP system. This may involve creating a new access plan or modifying an existing one to accommodate the external data.
  
  
  
  Verify Metadata:
  
  Check that all necessary metadata for the external data source is present and correctly defined. This may involve reviewing data models, schemas, and other related configurations.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account attempting to access the external data source has the necessary authorizations. This may involve checking roles and permissions in the SAP system.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or support resources for specific guidance on integrating external data sources and resolving related errors.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration and version.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates and patches.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Logs: Review system logs for additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to diagnose and resolve the DMC_UTIL_MSG028 error in your SAP environment.