How To Fix P0452 - The end of exploded schema & does not exist

P0452 - Overview

• Message type: E = Error

• Message class: P0 - Messages for Transactions PE01, PE02 and PE03

• Message number: 452

• Message text: The end of exploded schema & does not exist

What causes this issue?

You are trying to reverse deletion of a schema. However, the system
has not found the end of the schema, i.e. there is no line containing
the text 'END OF COPY' and the name of the subschema. This can
occur for the following reasons:
You have never deleted this subschema.
After deletion, you deleted the line containing the end indicator.
In this case you must also delete the other lines of the subschema
from the Editor and activate the line with the COPY function.

Error message extract from SAP system. Copyright SAP SE.

P0452 - Details

• The SAP error message "P0452 The end of exploded schema & does not exist" typically occurs in the context of SAP's data processing or schema management, particularly when dealing with exploded schemas in the context of data extraction or transformation processes.
  
  Cause:
  
  Schema Definition Issues: The error often arises when the system is unable to find the expected end of an exploded schema. This could be due to a misconfiguration in the schema definition or an incomplete schema setup.
  Data Model Changes: If there have been recent changes to the data model or schema that have not been properly propagated or updated in the system, it can lead to this error.
  Transport Issues: If the schema was transported from one system to another (e.g., from development to production) and the transport was incomplete or failed, it could result in this error.
  Corrupted Schema: The schema might be corrupted or improperly defined, leading to inconsistencies in