How To Fix ABAP_TESTDOUBLE029 - &4 No returning parameter exists for method &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ABAP_TESTDOUBLE -

• Message number: 029

• Message text: &4 No returning parameter exists for method &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ABAP_TESTDOUBLE029 - &4 No returning parameter exists for method &1 ?

  The SAP error message ABAP_TESTDOUBLE029 indicates that there is an issue with a method in an ABAP class or interface where a returning parameter is expected but not defined. This error typically arises in the context of ABAP methods that are expected to return a value but do not have a corresponding returning parameter defined in their signature.
  Cause:
  The error occurs when:
  
  A method is defined to return a value (i.e., it is expected to have a returning parameter), but the method signature does not include a returning parameter.
  The method is called in a way that expects a return value, but the implementation does not provide one.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Method Definition:
  
  Go to the class or interface where the method is defined.
  Verify the method signature. Ensure that it includes a RETURNING parameter if the method is supposed to return a value.
  
  Example of a correct method signature:
  METHOD my_method
    RETURNING
      VALUE(result) TYPE string.
  
  
  Modify Method Implementation:
  
  If the method is intended to return a value, ensure that the implementation assigns a value to the returning parameter before the method ends.
  If the method is not supposed to return a value, modify the calling code to not expect a return value.
  
  
  
  Check Method Calls:
  
  Review all instances where the method is called. Ensure that the calls are consistent with the method's definition.
  If the method is called with an expectation of a return value, ensure that the method signature supports this.
  
  
  
  Testing:
  
  After making the necessary changes, test the method to ensure that it behaves as expected and that the error no longer occurs.
  
  
  
  Related Information:
  
  ABAP Method Signature: In ABAP, methods can have parameters defined in various ways, including importing, exporting, and returning parameters. Understanding how to define these correctly is crucial for method implementation.
  Debugging: If you encounter this error during runtime, you can use the ABAP debugger to step through the code and identify where the method is being called and how it is defined.
  Documentation: Refer to the SAP Help Portal or ABAP documentation for more details on method definitions and parameter handling in ABAP.
  
  By following these steps, you should be able to resolve the ABAP_TESTDOUBLE029 error and ensure that your method definitions and calls are correctly aligned.