How To Fix DMC_MDS_MAINT_EVENT178 - Call of method &1 of class &2 failed due to parameter type mismatch

DMC_MDS_MAINT_EVENT178 - Overview

• Message type: E = Error

• Message class: DMC_MDS_MAINT_EVENT - message class for dynamic maint event proc

• Message number: 178

• Message text: Call of method &1 of class &2 failed due to parameter type mismatch

Self-Explanatory Message

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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_MDS_MAINT_EVENT178 - Call of method &1 of class &2 failed due to parameter type mismatch ?

  The SAP error message DMC_MDS_MAINT_EVENT178 indicates that there is a parameter type mismatch when calling a method in a specific class. This error typically occurs in the context of Data Management and Data Quality processes, particularly when working with Master Data Governance (MDG) or Data Migration Cockpit (DMC) functionalities.
  
  Cause:
  
  
  Parameter Type Mismatch: The most common cause of this error is that the method being called expects a parameter of a certain type (e.g., string, integer, etc.), but the actual parameter being passed does not match this expected type. This can happen due to:
  
  Incorrect data types being passed from the calling function.
  Changes in the method signature that are not reflected in the calling code.
  Data conversion issues where the data being passed cannot be converted to the expected type.
  
  
  
  
  Configuration Issues: Sometimes, the error can arise from incorrect configuration settings in the DMC or MDG setup, leading to unexpected behavior during method calls.
  
  
  Custom Code: