How To Fix SIW067 - Error during parsing of signature for function module: >>> &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 067

• Message text: Error during parsing of signature for function module: >>> &1

What causes this issue?

The system has detected an error in the coding of the signature or the
parameters of function module &1.

System Response

The system terminates the generation process.

How to fix this error?

Contact the author of the current configuration class.
To find the configuration class of the current configuration, choose
transaction <DS><DS:TRAN.SIW>SIW</></>. In the menu path choose <LS>Goto
-> Customizing (IMG) -></> <DS><DS:SIMG.VSIW_CONFIG>Define
Configurations</></><LS>.</>

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIW067 - Error during parsing of signature for function module: >>> &1 ?

  The SAP error message SIW067 indicates that there is an issue with parsing the signature of a function module. This error typically arises when there is a problem with the function module's definition or when the system is unable to interpret the function module's signature correctly.
  Causes:
  
  Syntax Errors: There may be syntax errors in the function module's code or its signature.
  Inconsistent Data Types: The data types defined in the function module may not be compatible with the expected types.
  Missing or Incorrect Parameters: The function module may have missing parameters or parameters that are incorrectly defined.
  Transport Issues: If the function module was transported from another system, there may be inconsistencies or missing dependencies.
  Version Mismatch: There may be a version mismatch between the function module and the calling program or interface.
  
  Solutions:
  
  Check Function Module Definition: Review the function module's definition in the ABAP Workbench (transaction SE37) for any syntax errors or inconsistencies.
  Validate Data Types: Ensure that all data types used in the function module are correctly defined and compatible with the calling program.
  Review Parameters: Check that all parameters are correctly defined and that there are no missing parameters.
  Transport Logs: If the function module was recently transported, check the transport logs for any errors or warnings that may indicate issues.
  Recompile the Function Module: Sometimes recompiling the function module can resolve parsing issues. You can do this by activating the function module again in SE37.
  Check for Dependencies: Ensure that all dependent objects (like data elements, domains, etc.) are available and correctly defined in the system.
  Debugging: If the issue persists, consider debugging the calling program to see where the error occurs and gather more context.
  
  Related Information:
  
  Transaction Codes: Use SE37 to view and edit function modules, and SE80 for broader object management.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further assistance.