How To Fix E0773 - Extension & cannot be deleted - used with basic IDoc type

E0773 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 773

• Message text: Extension & cannot be deleted - used with basic IDoc type

What causes this issue?

The extension &v1& cannot be deleted. Together with the basic type
&v2&, it forms the IDoc type &v3&.

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?

First delete the IDoc type &v3&.

Error message extract from SAP system. Copyright SAP SE.

E0773 - Details

• The SAP error message E0773, which states "Extension & cannot be deleted - used with basic IDoc type," typically occurs when you attempt to delete an IDoc extension that is still associated with a basic IDoc type. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  
  Association with Basic IDoc Type: The primary reason for this error is that the IDoc extension you are trying to delete is still linked to a basic IDoc type. In SAP, IDoc extensions are used to add additional fields to the standard IDoc structure, and if they are still in use, they cannot be deleted.
  
  
  Active Usage: The extension might be actively used in various configurations, such as in message types, partner profiles, or other IDoc-related settings.
  
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Usage:
  
  Use transaction code WE30 (IDoc Types) to check if the extension is still associated with any basic IDoc types.
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