How To Fix SY281 - Current program was modified while running

SY281 - Overview

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 281

• Message text: Current program was modified while running

What causes this issue?

Program &1& has been modified while the program was running.
Since the program is no longer in the PXA buffer, and the version that
was valid when the program was started no longer exists in the
database, the program run was terminated.

How to fix this error?

To analyze the problem further, consult the short dump (Transaction
ST22).

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 SY281 - Current program was modified while running ?

  The SAP error message SY281, which states "Current program was modified while running," typically occurs when a program or transaction is being executed, and the underlying code is changed during its execution. This can happen in various scenarios, such as:
  Causes:
  
  Code Changes: A developer modifies the ABAP code of a program while it is still running. This can happen if the program is being debugged or if a transport is being imported that includes changes to the program.
  Transport Requests: If a transport request is imported while users are executing the program, it can lead to this error.
  Development Environment: In a development environment, if multiple developers are working on the same program and one of them saves changes while another is executing it, this error can occur.
  Long-Running Transactions: If a transaction takes a long time to execute and changes are made to the program in the meantime, this error may be triggered.
  
  Solutions:
  
  Avoid