How To Fix DMC_MDS_MAINT_EVENT091 - Unexpected Maintenance Event TYPE &1

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_MDS_MAINT_EVENT - message class for dynamic maint event proc

• Message number: 091

• Message text: Unexpected Maintenance Event TYPE &1

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_MDS_MAINT_EVENT091 - Unexpected Maintenance Event TYPE &1 ?

  The SAP error message DMC_MDS_MAINT_EVENT091 with the description "Unexpected Maintenance Event TYPE &1" typically occurs in the context of Data Management and Data Migration processes within SAP systems, particularly when using the Data Migration Cockpit (DMC) or related tools.
  Cause:
  This error generally indicates that the system encountered a maintenance event type that it did not expect or recognize. This could be due to several reasons, including:
  
  Configuration Issues: The maintenance event type may not be properly configured in the system.
  Data Consistency Problems: There may be inconsistencies in the data being processed, leading to unexpected event types.
  Version Mismatch: The version of the DMC or related components may not be compatible with the current system setup.
  Custom Development: If there are custom developments or enhancements in the DMC, they might not be handling certain event types correctly.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration: Review the configuration settings for the Data Migration Cockpit and ensure that all maintenance event types are correctly defined and active.
  
  
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages or warnings that could provide additional context about the unexpected event type.
  
  
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or errors that could lead to unexpected behavior.
  
  
  Update Components: Ensure that all relevant SAP components, including the DMC, are up to date. Apply any necessary patches or updates.
  
  
  Consult Documentation: Refer to the official SAP documentation for the Data Migration Cockpit to understand the expected event types and their configurations.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant logs.
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide guidance on similar issues.
  Community Forums: Check SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  Documentation: Review the official SAP Help documentation for the Data Migration Cockpit for insights into maintenance events and their expected behavior.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.