How To Fix SAPLWOSZ202 - Program ID &1 is not the uppermost entry in the stack

SAP Error Message - Details

• Message type: E = Error

• Message class: SAPLWOSZ - Common function modules for Store WB

• Message number: 202

• Message text: Program ID &1 is not the uppermost entry in the stack

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAPLWOSZ202 - Program ID &1 is not the uppermost entry in the stack ?

  The SAP error message "SAPLWOSZ202 Program ID &1 is not the uppermost entry in the stack" typically occurs in the context of SAP's dialog programming, particularly when dealing with screen navigation and program calls. This error indicates that the program identified by the ID specified in the message is not the topmost program in the call stack, which can lead to issues with screen handling and user interface navigation.
  Cause:
  
  Incorrect Program Call: The program may have been called in a way that does not respect the expected call stack order. For example, if a program is called from another program without properly returning to the original program, it can lead to this error.
  Session Management Issues: If multiple sessions are open and the user navigates between them incorrectly, it can cause the stack to become misaligned.
  Custom Code Issues: If there are custom enhancements or modifications in the program that manipulate the call stack or screen flow, they may inadvertently cause this error.
  
  Solution:
  
  Check Program Calls: Review the code to ensure that program calls are made correctly. Ensure that the program is being called as expected and that it is the last program in the call stack when it is supposed to be.
  Session Management: Ensure that users are managing their sessions properly. If multiple sessions are open, advise users to close unnecessary sessions or navigate correctly between them.
  Debugging: Use the SAP debugger to trace the program execution and identify where the call stack is being manipulated incorrectly. Look for any custom code that may be affecting the program flow.
  Transaction Codes: If the error occurs during specific transactions, check if there are any known issues or patches related to those transactions. Sometimes, SAP releases notes or patches that address such issues.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be known issues or recommended solutions provided by SAP.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidance on dialog programming and screen handling.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with transaction codes related to debugging and program management, such as SE80 (Object Navigator) and SE38 (ABAP Editor).
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis or development team for further investigation and resolution.