How To Fix 5A503 - &2 &4 is locked by you.

5A503 - Overview

• Message type: E = Error

• Message class: 5A - Basis Personnel Management

• Message number: 503

• Message text: &2 &4 is locked by you.

What causes this issue?

The object &V2& &V4& (object-ID &V3&) is already being processed by
you. Perhaps you are currently processing the object in another
session.
&V2&
The system does not allow changes to this object.
&V4&
Please first complete your changes in the other session.
&V3&
If the object was locked by accident, it can be unlocked manually in
the usual way. The relevant table is PLOGI.

Error message extract from SAP system. Copyright SAP SE.

5A503 - Details

• The SAP error message "5A503 &2 &4 is locked by you" typically indicates that a user is trying to access or modify a resource (such as a document, transaction, or object) that is currently locked by their own session. This can happen in various scenarios, such as when a user has opened a transaction or document but has not completed or saved it, leading to a lock on that resource.
  
  Cause:
  
  Unfinished Transactions: The user may have an open session where they are editing or viewing a document, and they have not completed the transaction.
  Session Timeout: If a session times out, it may still hold a lock on the resource until it is explicitly released.
  Multiple Sessions: The user may have multiple sessions open and is trying to access the same resource in a different session.
  Lock Table Entries: SAP maintains a lock table, and if a user has a lock on an object,