How To Fix DMC_MDS_MAINT_EVENT003 - Prefix &1 of object &2 is not expected/supported

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 003

• Message text: Prefix &1 of object &2 is not expected/supported

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_MDS_MAINT_EVENT003 - Prefix &1 of object &2 is not expected/supported ?

  The SAP error message DMC_MDS_MAINT_EVENT003 with the description "Prefix &1 of object &2 is not expected/supported" typically occurs in the context of Data Management and Data Migration processes within SAP systems, particularly when dealing with Master Data Governance (MDG) or Data Migration Cockpit (DMC).
  Cause:
  This error usually indicates that there is a mismatch between the expected prefix for a specific object type and the actual prefix being used in the data being processed. The prefix is often used to identify the type of object (e.g., material, vendor, customer) and is crucial for the system to correctly interpret and process the data.
  Common causes include:
  
  Incorrect Configuration: The system may be configured to expect a certain prefix for a specific object type, but the data being uploaded or processed uses a different prefix.
  Data Quality Issues: The data being imported may contain incorrect or unexpected prefixes that do not match the defined standards in the system.
  Custom Development: If there are custom developments or enhancements in the system, they may not align with the expected prefixes.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration: Review the configuration settings in the SAP system to ensure that the expected prefixes for the relevant object types are correctly defined. This can typically be found in the customizing settings for the specific module you are working with (e.g., MDG, DMC).
  
  
  Validate Data: Inspect the data being uploaded or processed to ensure that it adheres to the expected format and prefixes. You may need to clean or transform the data to match the expected prefixes.
  
  
  Review Documentation: Consult the SAP documentation or help resources for the specific module you are using to understand the expected prefixes and any related configuration settings.
  
  
  Debugging: If you have access to the development environment, you can debug the process to identify where the mismatch is occurring. This may involve checking the code or logic that processes the prefixes.
  
  
  Consult SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. They may provide insights based on the specific version and configuration of your SAP system.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on configuration settings.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Training and Documentation: Ensure that users involved in data migration or management are trained on the correct data formats and prefixes to prevent future occurrences of this error.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.