How To Fix R1147 - Application object &1 has already been called in this LUW

SAP Error Message - Details

• Message type: E = Error

• Message class: R1 - Business Partner Messages from S_BUPA_GENERAL

• Message number: 147

• Message text: Application object &1 has already been called in this LUW

What causes this issue?

Application object &V1& has already been called. You cannot call it
again in this LUW.

System Response

Info message that the call is not carried out.

How to fix this error?

Inform SAP.
The application programs must ensure that calling the same application
object in an LUW several times is not possible in the transfer mode.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message R1147 - Application object &1 has already been called in this LUW ?

  The SAP error message R1147 indicates that an application object has already been called in the current Logical Unit of Work (LUW). This typically occurs in scenarios where a function module or a method is trying to access or manipulate an object that has already been processed within the same transaction.
  Cause:
  
  Duplicate Calls: The most common cause is that the same application object (like a function module, method, or transaction) is being called multiple times within the same LUW.
  Incorrect Logic: There may be a logical error in the program where the same object is unintentionally invoked more than once.
  Concurrency Issues: If multiple processes are trying to access the same object simultaneously, it can lead to this error.
  
  Solution:
  
  Check for Duplicate Calls: Review the code to ensure that the application object is not being called multiple times within the same LUW. If it is, refactor the code to avoid this.
  Use Flags or State Management: Implement flags or state management to track whether the object has already been processed in the current LUW.
  Debugging: Use debugging tools to step through the code and identify where the duplicate call is occurring. This can help pinpoint the exact location of the issue.
  Review Transaction Logic: Ensure that the transaction logic is correctly implemented and that the application object is only called when necessary.
  Consult Documentation: Check the SAP documentation for the specific function module or method being used to understand its expected behavior and any constraints.
  
  Related Information:
  
  LUW (Logical Unit of Work): In SAP, a LUW is a sequence of operations that are treated as a single unit. If one operation fails, the entire LUW can be rolled back.
  Function Modules and Methods: These are reusable pieces of code in SAP that can be called from various programs. They often have specific requirements regarding how and when they can be called.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific function module or transaction you are working with.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support or consulting with a developer who has experience with the specific application area you are working on.