How To Fix SWF_RUN_SERVICES020 - Parameter '&1' not found

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_RUN_SERVICES - Workflow: Services

• Message number: 020

• Message text: Parameter '&1' not found

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_RUN_SERVICES020 - Parameter '&1' not found ?

  The SAP error message SWF_RUN_SERVICES020, which states "Parameter '&1' not found," typically occurs in the context of workflow processing. This error indicates that a required parameter for a workflow service is missing or not defined correctly.
  Cause:
  
  Missing Parameter: The parameter that the workflow is trying to access is not defined in the workflow configuration or is not being passed correctly.
  Incorrect Workflow Configuration: The workflow might be incorrectly configured, leading to the system not being able to find the specified parameter.
  Custom Development Issues: If there are custom workflows or enhancements, there might be issues in the custom code that lead to this error.
  Transport Issues: If the workflow was transported from one system to another, some parameters might not have been transported correctly.
  
  Solution:
  
  
  Check Workflow Configuration:
  
  Go to the workflow definition in transaction SWDD (Workflow Builder) and verify that all required parameters are defined correctly.
  Ensure that the parameter name matches exactly with what is being referenced in the workflow.
  
  
  
  Review Workflow Instances:
  
  Use transaction SWI1 (Work Item Selection) to check the instances of the workflow that are failing. This can provide insights into which specific parameter is missing.
  
  
  
  Debugging:
  
  If you have access to the development environment, you can debug the workflow to see where the parameter is being called and why it is not found.
  
  
  
  Check Custom Code:
  
  If there are any custom developments related to the workflow, review the code to ensure that parameters are being set and passed correctly.
  
  
  
  Transport Check:
  
  If the workflow was recently transported, check the transport logs to ensure that all necessary objects and parameters were included in the transport.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific workflow you are working with, as there may be known issues or additional configuration steps required.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SWDD: Workflow Builder
  SWI1: Work Item Selection
  SWI2_FREQ: Work Item Selection for Recurrent Workflows
  SWI2_DURA: Work Item Selection for Duration-Based Workflows
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  
  By following these steps, you should be able to identify the cause of the SWF_RUN_SERVICES020 error and implement a solution to resolve it.