How To Fix DBOSC755 - Bad interface: method &1 has &2 parameters, expected &3

SAP Error Message - Details

• Message type: E = Error

• Message class: DBOSC -

• Message number: 755

• Message text: Bad interface: method &1 has &2 parameters, expected &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DBOSC755 - Bad interface: method &1 has &2 parameters, expected &3 ?

  The SAP error message DBOSC755 indicates that there is a mismatch in the number of parameters expected by a method and the number of parameters that are actually being passed to it. This error typically arises in the context of ABAP programming, particularly when dealing with method calls in classes or interfaces.
  Cause:
  
  
  Method Signature Mismatch: The method being called has a different number of parameters than what is defined in the interface or class. This can happen if:
  
  The method was modified (parameters added or removed) but the calling code was not updated accordingly.
  There is a version mismatch between the interface/class definition and the implementation being used.
  
  
  
  Incorrect Method Call: The method is being called with the wrong number of arguments, either too few or too many.
  
  
  Inheritance Issues: If the method is inherited from a superclass or interface, and the subclass or implementing class does not match the signature, this error can occur.
  
  
  Solution:
  
  
  Check Method Definition: Review the method definition in the class or interface to confirm the expected number of parameters. Ensure that the method signature matches what is being called.
  
  
  Update Calling Code: If the method signature has changed, update the calling code to match the new signature. This may involve adding or removing parameters as necessary.
  
  
  Check for Inheritance: If the method is inherited, ensure that the subclass or implementing class correctly overrides the method with the same signature.
  
  
  Recompile: After making changes, recompile the affected classes and interfaces to ensure that all changes are recognized by the system.
  
  
  Check for Versioning Issues: If you are working in a system with multiple versions of a class or interface, ensure that you are using the correct version that matches the method signature.
  
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP documentation for ABAP programming to understand method definitions and interfaces better.
  Debugging Tools: Use the ABAP debugger to step through the code and identify where the method call is being made and what parameters are being passed.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific classes or methods you are working with.
  
  By following these steps, you should be able to resolve the DBOSC755 error and ensure that your method calls are correctly aligned with their definitions.