How To Fix EA156 - This IDoc cannot be changed

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message EA156 - This IDoc cannot be changed ?

  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 according to the business process (e.g., reprocess, delete, or correct the error).
  Reprocess or Correct: If the IDoc is in error status, you may need to correct the underlying issue and reprocess the IDoc.
  Unlock IDoc: If the IDoc is locked, you may need to wait for the current processing to complete or check for any locks in the system that may need to be released.
  Consult Documentation: Review the IDoc documentation and configuration to understand any restrictions on modifications for the specific IDoc type you are working with.
  Use Alternative Methods: If you need to change the data, consider creating a new IDoc with the correct data instead of modifying the existing one.
  
  Related Information:
  
  IDoc Status Codes: Familiarize yourself with the various IDoc status codes and their meanings. This can help you understand why an IDoc cannot be changed.
  Transaction Codes: Use transaction codes like WE02, WE05, and WE19 for monitoring and testing IDocs.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to IDoc processing and modifications.
  Custom Development: If you have custom IDoc processing logic, review the code to ensure it handles IDoc statuses appropriately.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation.