How To Fix XC601 - Not all objects from all RFCs of the current LUW are registered

SAP Error Message - Details

• Message type: E = Error

• Message class: XC - Message Class for Core Interface

• Message number: 601

• Message text: Not all objects from all RFCs of the current LUW are registered

What causes this issue?

To allow C
qRFC must be registered for
<DS:GLOS.180AC48E4BA2464C960A5297D9F7AAE3>C
system has determined that not all RFCs received in the
<DS:GLOS.8554C86B3BAACE42817DEADBB261F52A>qRFC LUW</> for C
handling were registered.
This may be because C
objects transferred.

System Response

C
LUW, the C
SYSFAIL.

How to fix this error?

If an error occurred in this qRFC LUW, rectify the cause of error and
restart the C

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 XC601 - Not all objects from all RFCs of the current LUW are registered ?

  The SAP error message XC601 indicates that not all objects from all Remote Function Calls (RFCs) of the current Logical Unit of Work (LUW) are registered. This error typically arises in scenarios where there are issues with the registration of objects during a transaction that involves multiple RFC calls.
  Causes:
  
  Incomplete Registration: The error can occur if some objects that are supposed to be registered during the RFC calls are not properly registered due to a failure in the process.
  Transaction Handling Issues: If there are issues with the transaction handling, such as a rollback or a failure in one of the RFC calls, it can lead to incomplete registration.
  Network Issues: Network problems that interrupt the communication between the systems can also lead to this error.
  Configuration Issues: Incorrect configuration of the RFC destination or the related systems can cause registration problems.
  System Performance: High load on the system or performance issues can lead to timeouts or failures in the registration process.
  
  Solutions:
  
  Check RFC Connections: Verify that all RFC connections are correctly configured and operational. Test the connections to ensure they are working as expected.
  Review Transaction Logic: Analyze the logic of the transaction to ensure that all necessary objects are being registered correctly. Ensure that all RFC calls are being executed as intended.
  Error Handling: Implement proper error handling in your code to manage failures in RFC calls. Ensure that if one RFC call fails, it does not affect the registration of other objects.
  System Performance: Monitor system performance and load. If the system is under heavy load, consider optimizing the performance or scheduling the transactions during off-peak hours.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this can resolve known issues related to RFC and LUW handling.
  Debugging: Use debugging tools to trace the execution of the RFC calls and identify where the registration is failing. This can help pinpoint the exact cause of the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to error XC601. SAP frequently publishes notes that provide solutions or workarounds for specific errors.
  Transaction Codes: Use transaction codes like SM58 (for monitoring asynchronous RFC calls) and ST22 (for analyzing dumps) to gather more information about the error.
  Logs: Review application logs and system logs for any additional error messages or warnings that may provide context for the XC601 error.
  
  If the issue persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.