How To Fix MDC_MAT_MODEL105 - Key Mapping error occured

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_MAT_MODEL -

• Message number: 105

• Message text: Key Mapping error occured

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDC_MAT_MODEL105 - Key Mapping error occured ?

  The SAP error message MDC_MAT_MODEL105, which indicates a "Key Mapping error occurred," typically arises in the context of SAP S/4HANA, particularly when dealing with the Master Data Governance (MDG) or Material Management (MM) modules. This error usually occurs when there is an issue with the mapping of keys between different systems or data models, especially during data replication or integration processes.
  Causes:
  
  
  Inconsistent Key Mapping: The error may occur if there are inconsistencies in the key mapping between the source and target systems. This can happen if the keys (like material numbers) do not match or are not properly defined in the system.
  
  
  Missing Data: If the required data for the key mapping is missing or incomplete, it can lead to this error.
  
  
  
  Configuration Issues: Incorrect configuration in the system settings related to key mapping or data replication can also trigger this error.
  
  
  Data Model Changes: Changes in the data model or structure that have