How To Fix SR016 - This LUW cannot be executed either now or once again

SAP Error Message - Details

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 016

• Message text: This LUW cannot be executed either now or once again

What causes this issue?

You cannot execute the specified LUW. Either it has already been
executed and an error occurred in the target system, or the call has to
be executed together with update records. You can perform post-updates
after update terminations with Transaction SM13.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SR016 - This LUW cannot be executed either now or once again ?

  The SAP error message SR016, which states "This LUW cannot be executed either now or once again," typically relates to issues with the Logical Unit of Work (LUW) in the context of database transactions. This error can occur in various scenarios, often indicating that the system is unable to process a transaction due to its current state or configuration.
  Causes:
  
  Transaction State: The LUW may be in a state that does not allow it to be executed again. This can happen if the transaction has already been committed or rolled back.
  Database Locking: There may be locks on the database that prevent the LUW from being executed.
  Error in Previous Processing: If there was an error in a previous step of the transaction, it may have left the LUW in an inconsistent state.
  Configuration Issues: There may be configuration issues in the system that prevent the LUW from being processed correctly.
  Program Logic: The logic in the ABAP program or transaction may not be handling the LUW correctly.
  
  Solutions:
  
  Check Transaction State: Review the state of the transaction to ensure it is in a valid state for execution. If it has already been committed or rolled back, you may need to start a new transaction.
  Release Locks: If database locks are causing the issue, identify and release any locks that may be preventing the LUW from executing.
  Error Handling: Implement proper error handling in the ABAP program to manage exceptions and ensure that the LUW can be retried if necessary.
  Review Logs: Check the application logs (transaction SLG1) for any related error messages that may provide more context on why the LUW cannot be executed.
  Debugging: If you have access to the ABAP code, use the debugger to step through the code and identify where the LUW is failing.
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or function module you are working with for any known issues or additional guidance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in diagnosing the issue, such as SM21 (System Log), SM37 (Job Monitoring), and SLG1 (Application Log).
  SAP Notes: Search for SAP Notes related to the error message SR016 in the SAP Support Portal for any patches or updates that may address the issue.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.