How To Fix DI009 - Index &-& (client field required for unique index)

DI009 - Overview

• Message type: E = Error

• Message class: DI - Dictionary messages: Indexes

• Message number: 009

• Message text: Index &-& (client field required for unique index)

What causes this issue?

A unique index was defined for a client-specific table. However, the
client field was not included in the index.
Uniqueness of table contents extending over more than one client cannot
be ensured in the SAP system. Consequently, this index cannot be
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?

Either remove attribute 'unique' from the index or include the client
field in the index.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DI009 - Index &-& (client field required for unique index) ?

  The SAP error message DI009, which states "Index &-& (client field required for unique index)," typically occurs when there is an issue with the definition of a unique index in a database table. This error indicates that the unique index is missing a client field, which is necessary for distinguishing records in a multi-client environment.
  
  Cause:
  
  Missing Client Field: In SAP, many tables are designed to be client-specific, meaning that they can contain data for multiple clients (organizations) within the same system. A unique index must include the client field (usually MANDT) to ensure that records are unique per client.
  Incorrect Index Definition: The index may have been defined without including the client field, which violates the requirement for unique indexes in client-dependent tables.
  Table 
  Configuration Issues: If the table was modified or created without proper consideration for client dependency, it could lead to this error.
  
  
  Solution:
  
  
  Modify the Index:
  
  Access the Data Dictionary (transaction code SE11).
  Locate