How To Fix CLB503 - Synchronization not possible; delayed method &1 found in queue

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB - SAIL: Common messages

• Message number: 503

• Message text: Synchronization not possible; delayed method &1 found in queue

What causes this issue?

The IF_CLB_PROCESS->SYNCHRONIZE method has been called for method
&syst-msgv1& but could not be found in the internal queue.
This means that either the method has not been executed as a delayed
method (by setting the IV_DELAYED flag in IF_CLB_PROCESS->EXECUTE) or
that the synchronization has already taken place.

System Response

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

How to fix this error?

The coding needs to be changed to ensure to the proper call sequence.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CLB503 - Synchronization not possible; delayed method &1 found in queue ?

  The SAP error message CLB503 indicates that there is a synchronization issue related to a delayed method found in the queue. This typically occurs in the context of SAP's Collaborative Lifecycle Management (CLM) or similar scenarios where asynchronous processing is involved.
  Cause:
  The error message CLB503 can be caused by several factors, including:
  
  
  Delayed Method Execution: A method that is supposed to be executed synchronously is found in the queue for delayed processing. This can happen if the system is overloaded or if there are issues with the processing of previous requests.
  
  
  Queue Management Issues: If there are problems with the queue management system, such as a backlog of messages or failed messages that are not being processed, it can lead to synchronization issues.
  
  
  Configuration Issues: Incorrect configuration settings in the system related to asynchronous processing or method execution can also lead to this error.
  
  
  System Performance: High system load or performance issues can delay the processing of methods, leading to synchronization problems.
  
  
  Solution:
  To resolve the CLB503 error, you can take the following steps:
  
  
  Check the Queue: Review the queue for any delayed or failed messages. You can use transaction codes like SMQ1 (for outbound queues) or SMQ2 (for inbound queues) to monitor the queues.
  
  
  Process Delayed Methods: If you find any delayed methods, try to process them manually or check for any errors that may have caused them to be delayed.
  
  
  System Performance: Monitor the system performance to ensure that it is not overloaded. You may need to optimize the system or increase resources if necessary.
  
  
  Configuration Review: Review the configuration settings related to asynchronous processing and ensure they are set correctly. This may involve checking settings in the relevant customizing transactions.
  
  
  Error Logs: Check the application logs (transaction SLG1) for any related error messages that could provide more context on the issue.
  
  
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Consult Documentation: Review the official SAP documentation for any specific guidelines related to the error message and its context.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SMQ1, SMQ2, and SLG1 for monitoring queues and logs.
  Performance Monitoring: Use tools like ST03N for workload analysis and performance monitoring.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the synchronization issue indicated by the CLB503 error message.