How To Fix CLB2502 - Duplicate delayed request for method &1 not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB2 - SAIL: Common messages

• Message number: 502

• Message text: Duplicate delayed request for method &1 not supported

What causes this issue?

If you perform a delayed request by specifying 'X' for the parameter
IV_DELAYED when calling IF_CLB_PROCESS->EXECUTE you can do this just
once per method before you perform the IF_CLB_PROCESS->SYNCHRONIZE call.
In the current case a second call to IF_CLB_PROCESS-EXECUTE has happened
before IF_CLB_PROCESS->SYNCHRONIZE has been called.

How to fix this error?

A correction to the code is required.

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 CLB2502 - Duplicate delayed request for method &1 not supported ?

  The SAP error message CLB2502 indicates that there is a duplicate delayed request for a method that is not supported. This typically occurs in the context of SAP's Business Workflow or when using the SAP Cloud Platform, where asynchronous processing is involved.
  Cause:
  The error usually arises due to one of the following reasons:
  
  Duplicate Requests: The system has detected that a request for a specific method has already been processed or is currently being processed, and a second request for the same method is not allowed.
  Configuration Issues: There may be issues with the configuration of the workflow or the method being called, leading to the system not being able to handle multiple requests properly.
  System Bugs: There could be bugs in the version of the software you are using that lead to this error under certain conditions.
  
  Solution:
  To resolve the CLB2502 error, you can take the following steps:
  
  
  Check for Duplicate Requests:
  
  Review the logs to see if the method has already been called. If it has, ensure that the first request is completed before sending another.
  Implement checks in your code to prevent duplicate requests from being sent.
  
  
  
  Review Workflow Configuration:
  
  Ensure that the workflow is correctly configured to handle the method being called. Check for any settings that might restrict multiple calls.
  If you are using a custom workflow, verify that it adheres to best practices for handling asynchronous requests.
  
  
  
  Error Handling:
  
  Implement error handling in your application to gracefully manage situations where a duplicate request might be sent.
  Consider adding a retry mechanism with a delay to allow the first request to complete before attempting to send another.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error. There may be updates or fixes available for your version of SAP.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed logs and information about the circumstances under which the error occurs.
  
  
  
  Related Information:
  
  SAP Documentation: Review the official SAP documentation related to the specific module or functionality you are working with, as it may provide insights into handling asynchronous requests and workflows.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues. They may share their experiences and solutions.
  Version Information: Ensure that you are aware of the version of SAP you are using, as the behavior of methods and workflows can vary between versions.
  
  By following these steps, you should be able to diagnose and resolve the CLB2502 error effectively.