How To Fix B1754 - IDocs in serialization group & are still in the tRFC queue

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 754

• Message text: IDocs in serialization group & are still in the tRFC queue

What causes this issue?

Not all the IDocs for serialization group &v1& have been successfully
sent yet. For this reason the serialization group cannot be updated in
the receiving system without errors occurring. If the flag is not set
to 'Always send control message', no control IDoc will be sent.

How to fix this error?

Send the requests again manually. Select Tools -> ALE -> Administration
-> Periodic processing -> Transactional RFC and execute the Transaction
BD42 again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1754 - IDocs in serialization group & are still in the tRFC queue ?

  The SAP error message B1754 indicates that there are IDocs (Intermediate Documents) that are part of a serialization group and are still present in the tRFC (Transactional Remote Function Call) queue. This situation typically arises when there are issues with processing IDocs that are dependent on one another due to serialization.
  Cause:
  
  Serialization Group: IDocs are often processed in a specific order when they belong to a serialization group. If one or more IDocs in that group fail or are delayed, it can prevent the entire group from being processed.
  tRFC Queue Issues: The tRFC queue may have entries that are stuck or not being processed due to various reasons, such as network issues, system performance problems, or errors in the IDocs themselves.
  Error in IDoc Processing: If there are errors in the IDocs that prevent them from being processed successfully, they will remain in the queue.
  Configuration Issues: Incorrect configuration of the IDoc processing or serialization settings can lead to this error.
  
  Solution:
  
  Check tRFC Queue: Use transaction code SM58 to check the tRFC queue for any entries that are stuck. Look for any error messages associated with the IDocs.
  Analyze IDocs: Use transaction code WE02 or WE05 to analyze the IDocs in question. Check for any errors or issues that may be causing them to remain in the queue.
  Reprocess IDocs: If you find IDocs that have errors, you may need to correct the underlying issue and then reprocess the IDocs. This can be done using transaction code BD87 for reprocessing.
  Check Serialization Settings: Review the serialization settings for the IDocs to ensure they are configured correctly. This may involve checking the relevant configuration in transaction WE20 for partner profiles.
  Monitor System Performance: Ensure that the system is performing optimally and that there are no network issues that could be affecting the processing of IDocs.
  Consult Logs: Check the application logs (transaction SLG1) for any additional error messages or information that may provide insight into the issue.
  
  Related Information:
  
  IDoc Types: Understand the specific IDoc types involved and their processing logic.
  SAP Notes: Search for relevant SAP Notes that may address known issues or provide additional troubleshooting steps.
  Documentation: Review SAP documentation on IDoc processing and tRFC to understand the underlying mechanisms and best practices.
  
  By following these steps, you should be able to identify the cause of the B1754 error and take appropriate action to resolve it.