How To Fix E0166 - Changes to the IDoc are written to the database

E0166 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 166

• Message text: Changes to the IDoc are written to the database

What causes this issue?

If you change the values of the <DS:GlOS.IDoc>IDoc</>, the new values
are written to the database when it is saved.

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?

Only change the values if it is really necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0166 - Changes to the IDoc are written to the database ?

  The SAP error message E0166, which states "Changes to the IDoc are written to the database," typically occurs in the context of IDoc processing. This message indicates that there is an issue with the IDoc data that is being processed, and it is often related to the IDoc's status or the data contained within it.
  
  Cause:
  
  IDoc Status: The IDoc may be in a status that does not allow for changes or processing. For example, if the IDoc is already processed or in an error state, further changes may not be permitted.
  Data Integrity Issues: There may be issues with the data contained in the IDoc, such as missing mandatory fields or incorrect data formats.
  
  Configuration Issues: There could be configuration problems in the IDoc processing settings, such as incorrect message types or partner profiles.
  Authorization Issues: The user or process attempting to make changes may not have the necessary authorizations to modify the IDoc.
  
  
  Solution:
  
  Check