How To Fix SWFHTTP020 - Error when executing callback to complete work item &

SAP Error Message - Details

• Message type: E = Error

• Message class: SWFHTTP - Messages for Handlers

• Message number: 020

• Message text: Error when executing callback to complete work item &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWFHTTP020 - Error when executing callback to complete work item & ?

  The SAP error message SWFHTTP020 typically occurs in the context of SAP Workflow when there is an issue with executing a callback to complete a work item. This error can arise due to various reasons, including configuration issues, network problems, or incorrect settings in the workflow.
  Causes of SWFHTTP020 Error
  
  
  Network Issues: There may be connectivity problems between the SAP system and the external system or service that is being called back.
  
  
  Incorrect Callback URL: The URL configured for the callback might be incorrect or not reachable.
  
  
  Authorization Issues: The user or service account executing the callback may not have the necessary permissions to complete the work item.
  
  
  Service Unavailability: The external service that is supposed to handle the callback might be down or not responding.
  
  
  Configuration Errors: There may be misconfigurations in the workflow settings or in the HTTP settings of the SAP system.
  
  
  Timeouts: The callback might be timing out due to long processing times or network latency.
  
  
  Solutions to SWFHTTP020 Error
  
  
  Check Network Connectivity: Ensure that the SAP system can reach the external service. You can use tools like ping or telnet to test connectivity.
  
  
  Verify Callback URL: Check the configuration of the callback URL in the workflow. Make sure it is correct and accessible.
  
  
  Review Authorizations: Ensure that the user or service account has the necessary authorizations to execute the callback.
  
  
  Check External Service Status: Verify that the external service is up and running. You may need to contact the service provider if it is down.
  
  
  Review Workflow Configuration: Go through the workflow configuration settings to ensure everything is set up correctly.
  
  
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings for the HTTP calls in the SAP system.
  
  
  Check SAP Notes: Look for any relevant SAP Notes that might address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  Debugging: If you have access to the development environment, you can debug the workflow to see where it is failing and gather more information about the error.
  
  
  Related Information
  
  SAP Documentation: Refer to the official SAP documentation for workflows and HTTP communication for more detailed information on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SWI1 (Work Item Selection) and SWI2_FREQ (Work Item Analysis) to monitor and analyze work items.
  
  By following these steps, you should be able to identify the root cause of the SWFHTTP020 error and implement a suitable solution.