How To Fix DMC_GENERAL226 - Formal parameter &1 of type &2 not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 226

• Message text: Formal parameter &1 of type &2 not 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_GENERAL226 - Formal parameter &1 of type &2 not supported ?

  The SAP error message DMC_GENERAL226 indicates that there is an issue with a formal parameter in a Data Migration Cockpit (DMC) process. Specifically, it states that a formal parameter of a certain type is not supported. This error typically arises during data migration activities when the system encounters a parameter that it cannot process.
  Cause:
  
  Unsupported Data Type: The parameter being passed to a function or method is of a type that is not supported by the DMC.
  Incorrect Mapping: There may be an issue with how the data is mapped in the migration template, leading to the use of an unsupported parameter.
  Configuration Issues: The DMC configuration might not be set up correctly, leading to the system not recognizing certain parameters.
  Version Compatibility: The version of the DMC or the underlying SAP system may not support certain parameters or data types.
  
  Solution:
  
  Check Parameter Types: Review the parameters being passed in the migration process. Ensure that they are of the correct type and supported by the DMC.
  Review Mapping: Go through the data mapping in your migration template. Ensure that all fields are correctly mapped and that there are no unsupported data types.
  Update Configuration: If there are configuration settings related to the DMC, ensure they are correctly set up. This may involve checking the DMC settings in the SAP system.
  Consult Documentation: Refer to the official SAP documentation for the Data Migration Cockpit to understand the supported data types and parameters.
  Check for Updates: Ensure that your SAP system and DMC are up to date. Sometimes, newer versions may support additional parameters or data types.
  Error Logs: Check the error logs for more detailed information about the error. This can provide insights into what specific parameter is causing the issue.
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  SAP Help Portal: Utilize the SAP Help Portal for detailed guides and documentation on using the Data Migration Cockpit.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.