How To Fix B1277 - Error when opening IDoc: IDoc already opened

B1277 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 277

• Message text: Error when opening IDoc: IDoc already opened

What causes this issue?

In the previous step the IDoc could not be opened for processing
because it was already open. This can only result from a program
error.

How to fix this error?

Please contact SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1277 - Error when opening IDoc: IDoc already opened ?

  The SAP error message B1277, which states "Error when opening IDoc: IDoc already opened," typically occurs when there is an attempt to process an IDoc that is already in use or has not been properly closed from a previous operation. This can happen in various scenarios, such as during data transfer or when multiple processes are trying to access the same IDoc simultaneously.
  Causes:
  
  Concurrent Processing: Multiple processes or sessions are trying to access the same IDoc at the same time.
  Unfinished Processing: An IDoc was opened for processing but was not closed properly due to an error or interruption.
  Locking Issues: The IDoc might be locked by another user or process, preventing access.
  System Errors: There may be underlying system issues or bugs that are causing the IDoc to remain in an open state.
  
  Solutions:
  
  Check IDoc Status: Use transaction code WE02 or WE05 to check the status of the IDoc. Look for any IDocs that