How To Fix EA156 - This IDoc cannot be changed

EA156 - Overview

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 156

• Message text: This IDoc cannot be changed

What causes this issue?

This IDoc cannot be modified.
The IDoc is either an original IDoc (copy of an IDoc before editing
took place) or an IDoc which was posted successfully in the
application.

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?

You can only display or print this IDoc.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

EA156 - Details

• The SAP error message EA156, which states "This IDoc cannot be changed," typically occurs when there is an attempt to modify an IDoc that is in a status that does not allow changes. This can happen for various reasons, including the IDoc being processed, already posted, or in a status that is locked for changes.
  Causes:
  
  IDoc Status: The IDoc may be in a status that does not permit changes, such as '30' (processed) or '51' (error).
  IDoc Processing: The IDoc might be currently being processed by another transaction or program.
  IDoc Locking: The IDoc could be locked due to a previous operation that has not yet completed.
  IDoc Type: Certain IDoc types may have restrictions on modifications based on business logic or configuration.
  
  Solutions:
  
  Check IDoc Status: Use transaction WE02 or WE05 to check the status of the IDoc. If it is in a status that does not allow changes, you will need to handle it