953 SAP Message of Class 00 DB error: Specified key already used

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953(00) - DB error: Specified key already used

Message number 953 of class 00 is used to display message "DB error: Specified key already used" and can be triggered using the following ABAP code:

    MESSAGE W953(00). "Warning message example
    MESSAGE I953(00). "Information message example
    MESSAGE E953(00). "Error message example
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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

How to fix

Check your ABAP program.

Message text extract from SAP system. Copyright SAP SE.

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