How To Fix IM651 - Value already exists

IM651 - Overview

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 651

• Message text: Value already exists

What causes this issue?

You tried to create a maintenance catalog which is already being used
under this name by another application area.
&ABAP_HINT&
You only ever see a display in your view of the maintenance catalogs
that are defined for your application area. You can only display
maintenance catalogs from other application areas by means of the
customizing function of that particular application.

System Response

Processing is terminated.

How to fix this error?

You must define the desired maintenance catalog under another name. It
will then automatically be allocated to Plant Maintenance.

Error message extract from SAP system. Copyright SAP SE.

IM651 - Details

• The SAP error message IM651 ("Value already exists") typically occurs when you are trying to create or modify a record in the system that conflicts with an existing entry. This can happen in various contexts, such as when entering data in master records, transaction data, or configuration settings.
  
  Cause:
  
  Duplicate Entries: The most common cause is that the value you are trying to enter already exists in the database. This could be a duplicate key in a table or a unique constraint violation.
  Data Validation Rules: SAP has built-in validation rules that prevent the entry of duplicate values in certain fields, such as material numbers, vendor codes, or customer IDs.
  
  Configuration Issues: Sometimes, the configuration settings in the system may enforce uniqueness on certain fields, leading to this error.
  
  
  Solution:
  
  Check Existing Records: Before entering a new value, check the existing records to see if the value you are trying to enter already exists. You can