How To Fix DMC_RT_MSG050 - &2: Access plan &1 has not been calculated, termination

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 050

• Message text: &2: Access plan &1 has not been calculated, termination

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_MSG050 - &2: Access plan &1 has not been calculated, termination ?

  The SAP error message DMC_RT_MSG050 indicates that an access plan for a specific data model or operation has not been calculated, leading to a termination of the process. This error typically occurs in the context of SAP Data Management or SAP HANA when the system is unable to generate an execution plan for a query or data operation.
  Causes:
  
  Missing or Incomplete Data Model: The data model may not be fully defined or may have missing components that prevent the access plan from being generated.
  Configuration Issues: There may be configuration issues in the SAP system that affect the calculation of the access plan.
  Resource Limitations: Insufficient system resources (like memory or CPU) can lead to the failure in calculating the access plan.
  Database Issues: Problems with the underlying database, such as corruption or misconfiguration, can also lead to this error.
  Version Compatibility: The error may arise if there are compatibility issues between different versions of SAP components or if the system is not updated.
  
  Solutions:
  
  Check Data Model: Review the data model to ensure that all necessary components are defined and correctly configured. Make sure that all required tables, views, and relationships are in place.
  Recalculate Access Plan: If possible, try to manually trigger the recalculation of the access plan. This can sometimes resolve transient issues.
  System Resources: Monitor system resources to ensure that there is enough memory and CPU available. If resources are low, consider optimizing the system or upgrading hardware.
  Database Health Check: Perform a health check on the database to ensure that it is functioning correctly. Look for any errors or warnings in the database logs.
  Update SAP Components: Ensure that all relevant SAP components are up to date. Check for any patches or updates that may address known issues related to access plan calculation.
  Consult SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may provide additional guidance or fixes related to this error message.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any relevant logs or system configurations.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on data modeling and access plan generation.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in diagnosing or resolving the issue, such as ST22 (Dump Analysis) or SM21 (System Log).
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.