How To Fix DMC_RT_MSG183 - Illegal type for parameter &1

DMC_RT_MSG183 - Overview

• 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

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_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