How To Fix WA653 - Receiver function module &: Parameter & has an invalid reference &

SAP Error Message - Details

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 653

• Message text: Receiver function module &: Parameter & has an invalid reference &

What causes this issue?

The specified parameter of the specified receiver function module has
an ABAP Dictionary reference that does not correspond to the interface
required by such a function module.

System Response

The action was terminated, an event was not triggered.

How to fix this error?

Check the parameter definition.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WA653 - Receiver function module &: Parameter & has an invalid reference & ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WA653 Receiver function module &: Parameter & has an invalid reference &
  
  Cause:
  This error occurs during the processing of an IDoc (Intermediate Document) when the receiver function module (the function module responsible for processing the IDoc data on the receiving system) contains a parameter that has an invalid or incorrect reference. Specifically:
  
  The function module's parameter is expected to be a reference to a certain data object or structure.
  The reference provided is invalid, meaning it points to a non-existent or incompatible data object.
  This can happen if the function module interface has been changed but the IDoc processing logic or the data passed to it has not been updated accordingly.
  It may also occur if the parameter is expected to be passed by reference but is passed by value, or vice versa.
  Another cause could be a mismatch between the IDoc segment structure and the function module parameter definition.
  
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Check the Receiver Function Module Interface:
  
  Go to transaction SE37 and display the receiver function module.
  Verify the parameters, especially those that are passed by reference (REF TO).
  Ensure that the parameter names and types match the expected IDoc segment structures.
  
  
  
  Verify the IDoc Segment Structure:
  
  Use transaction WE30 to check the IDoc segment definitions.
  Confirm that the segment structure matches the data expected by the function module parameters.
  
  
  
  Check the IDoc Processing Code:
  
  If you have custom code or user exits that call the receiver function module, verify that the parameters passed are correct and valid references.
  Make sure that the data objects passed as parameters are properly instantiated and compatible.
  
  
  
  Adjust Parameter Passing:
  
  If the function module expects a parameter by reference, ensure that the calling code passes a valid reference.
  If necessary, modify the function module or the calling code to align parameter passing methods.
  
  
  
  Transport and Synchronize Changes:
  
  If changes are made to the function module or IDoc segments, ensure they are transported and consistent across systems.
  
  
  
  Test the IDoc Processing:
  
  After corrections, test the IDoc processing again to confirm the error is resolved.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE37 - Function Module Builder (to check function module interface)
  WE30 - IDoc Segment Editor (to check segment definitions)
  WE02 / WE05 - IDoc Display (to monitor IDoc status and errors)
  BD87 - Reprocess IDocs
  
  
  
  Notes and Documentation:
  
  Check SAP Notes related to IDoc processing and function module interface errors.
  Review SAP Help Portal documentation on IDoc processing and function module parameters.
  
  
  
  Common Scenarios:
  
  Custom receiver function modules that have been modified without updating IDoc segment definitions.
  Upgrades or patches that change function module interfaces.
  Incorrect implementation of user exits or BAdIs related to IDoc processing.
  
  
  
  
  If you provide the exact function module name, parameter name, and reference mentioned in the error message, I can help you with more specific guidance.