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

DMC_MDS_MAINT_EVENT003 - Overview

• 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

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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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DMC_MDS_MAINT_EVENT003 - Details

• 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