How To Fix SWF_EXP_001186 - Only one actual parameter allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_EXP_001 - Expression Service Messages

• Message number: 186

• Message text: Only one actual parameter allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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 SWF_EXP_001186 - Only one actual parameter allowed ?

  The SAP error message SWF_EXP_001186 indicates that there is an issue with the parameters being passed to a workflow or a function module in SAP. Specifically, the error states that "Only one actual parameter allowed," which means that the function or method you are trying to call expects only a single parameter, but more than one has been provided.
  Cause:
  
  Incorrect Function Call: The function module or method you are calling is designed to accept only one parameter, but the code is passing multiple parameters.
  Workflow Configuration: In the context of workflows, the workflow definition may be incorrectly configured to pass multiple parameters to a step that only accepts one.
  Data Type Mismatch: Sometimes, the data type of the parameter being passed may not match the expected type, leading to confusion in the number of parameters.
  
  Solution:
  
  Review Function Module/Method Signature: Check the definition of the function module or method you are calling. Ensure that you are only passing one parameter as required.
  Adjust Workflow Configuration: If this error arises from a workflow, review the workflow configuration to ensure that only one parameter is being passed to the relevant step.
  Debugging: Use the debugging tools in SAP to trace the execution of the workflow or function call. This can help identify where the extra parameter is being introduced.
  Check for Changes: If the function or method has been recently modified, ensure that the calling code has been updated accordingly to match the new signature.
  Consult Documentation: Refer to the SAP documentation for the specific function module or method to understand its expected parameters and usage.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SWI1 (Work Item Selection) or SWI2_FREQ (Work Item Selection for Frequency) to analyze workflows and work items.
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific function module or workflow you are working with.
  Community Forums: SAP Community and other forums can be helpful to see if others have encountered similar issues and how they resolved them.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.