How To Fix 00953 - DB error: Specified key already used

00953 - Overview

• Message type: E = Error

• Message class: 00 -

• Message number: 953

• Message text: DB error: Specified key already used

What causes this issue?

The attempted operation (INSERT or UPDATE) violates the uniqueness of
the primary key or another index defined as UNIQUE.

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?

Check your ABAP program.

Error message extract from SAP system. Copyright SAP SE.

00953 - Details

• The SAP error message "00953 DB error: Specified key already used" typically occurs when there is an attempt to insert a record into a database table where the primary key or unique key constraint is violated. This means that the key value you are trying to insert already exists in the table, which is not allowed for primary or unique keys.
  Causes:
  
  Duplicate Key Insertion: You are trying to insert a record with a key that already exists in the database.
  Data Migration Issues: During data migration or batch processing, duplicate records may be attempted to be inserted.
  Concurrency Issues: Multiple transactions trying to insert the same key at the same time can lead to this error.
  Incorrect Logic in Custom Code: If there is custom ABAP code or enhancements that handle data insertion, there may be logic errors leading to duplicate key attempts.
  
  Solutions:
  
  
  Check Existing Records: Before inserting a new record, check if a record