How To Fix DMC_RT_MSG183 - Illegal type for parameter &1

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 183

• Message text: Illegal type for parameter &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_MSG183 - Illegal type for parameter &1 ?

  The SAP error message DMC_RT_MSG183, which states "Illegal type for parameter &1," typically occurs in the context of Data Management and Data Migration processes within SAP systems. This error indicates that a parameter being passed to a function or method does not match the expected data type.
  Cause:
  
  Data Type Mismatch: The most common cause of this error is that the parameter being passed does not conform to the expected data type. For example, if a function expects an integer and a string is provided, this error will occur.
  Incorrect Mapping: In data migration scenarios, if the mapping of fields from the source to the target does not align correctly, it can lead to this error.
  Configuration Issues: Sometimes, configuration settings in the Data Management tools may not be set up correctly, leading to type mismatches.
  Custom Code: If there is custom code involved in the data processing, it may not handle the data types correctly.
  
  Solution:
  
  Check Parameter Types: Review the function or method documentation to ensure that the parameters being passed are of the correct type. Make necessary adjustments to the data being passed.
  Data Mapping Review: If this error occurs during data migration, check the mapping configuration to ensure that the source and target fields are correctly aligned in terms of data types.
  Debugging: If you have access to the code, use debugging tools to trace the execution and identify where the type mismatch is occurring.
  Configuration Review: Go through the configuration settings in the Data Management tools to ensure they are set up correctly.
  Consult Documentation: Refer to SAP documentation or notes related to the specific function or process you are working with for any known issues or additional guidance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  SAP Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the DMC_RT_MSG183 error and implement a suitable solution.