How To Fix E2137 - Value '&' already exists; enter a different value

E2137 - Overview

• Message type: E = Error

• Message class: E2 - DE Data Dictionary

• Message number: 137

• Message text: Value '&' already exists; enter a different value

What causes this issue?

You have entered as an existing value as domain value. It
does not make sense to define a value more than once as a domain value.

System Response

The duplicate value is not accepted by the system.

How to fix this error?

Remove the duplicate value.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E2137 - Value '&' already exists; enter a different value ?

  The SAP error message E2137, which states "Value '&' already exists; enter a different value," typically occurs when you are trying to enter a value in a field that must be unique, but the value you are trying to enter already exists in the system. This can happen in various contexts, such as when creating new records for master data (like customers, vendors, materials, etc.) or when entering data in configuration settings.
  
  Cause:
  
  Duplicate Entry: The most common cause is that the value you are trying to enter already exists in the database. For example, if you are trying to create a new customer with an ID that is already assigned to another customer.
  Unique Constraints: The field you are trying to populate has a unique constraint, meaning that no two records can have the same value in that field.
  Data Migration Issues: If you are migrating data from another system or performing a