How To Fix USMD_CMM021 - &1 expects values of type &2, but the value supplied is of type &3

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD_CMM -

• Message number: 021

• Message text: &1 expects values of type &2, but the value supplied is of type &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD_CMM021 - &1 expects values of type &2, but the value supplied is of type &3 ?

  The SAP error message USMD_CMM021 indicates a type mismatch in the data being processed. Specifically, it states that a certain field (denoted by &1) expects values of a specific type (denoted by &2), but the value supplied is of a different type (denoted by &3). This type of error typically occurs in data migration or data transfer processes, especially when working with Master Data Governance (MDG) or similar modules.
  Cause:
  
  Data Type Mismatch: The most common cause of this error is that the data being imported or processed does not match the expected data type. For example, if a field expects a numeric value but receives a string or character value, this error will occur.
  Incorrect Mapping: If the mapping of fields during data transfer or migration is incorrect, it can lead to this type of error.
  Configuration Issues: Sometimes, the configuration settings in the SAP system may not align with the data being processed, leading to type mismatches.
  
  Solution:
  
  Check Data Types: Review the data being supplied for the field indicated by &1. Ensure that the data type matches the expected type &2. For example, if the field expects an integer, ensure that the supplied value is indeed an integer.
  Data Validation: Implement data validation checks before processing the data to ensure that all values conform to the expected types.
  Mapping Review: If this error occurs during a data migration or transfer process, review the mapping of fields to ensure that each field is correctly mapped to the appropriate data type.
  Configuration Review: Check the configuration settings in the SAP system to ensure that they are set up correctly for the data being processed.
  Error Logs: Review the error logs for additional context or details that may help identify the specific issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any patches or updates that may address the issue.
  Documentation: Refer to the SAP documentation for the specific module you are working with (e.g., MDG) to understand the expected data types and structures.
  Testing: If possible, test with a smaller dataset to isolate the issue and identify the specific records causing the error.
  
  By following these steps, you should be able to identify and resolve the cause of the USMD_CMM021 error in your SAP system.