How To Fix KE790 - & is not an allowed field name for index

KE790 - Overview

• Message type: E = Error

• Message class: KE -

• Message number: 790

• Message text: & is not an allowed field name for index

What causes this issue?

You chose an invalid field name for a database index.
You can only use those fields which are defined with "*" in the
summarization level for the database index.

System Response

The system did not accept your entry.

How to fix this error?

Choose F4 to receive a list of the valid field names, and correct your
entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KE790 - & is not an allowed field name for index ?

  The SAP error message KE790 typically indicates that there is an issue with the field name being used in a report or query related to the Controlling (CO) module. The message states that the specified field name is not allowed for indexing, which usually means that the field is either not defined correctly or is not suitable for the operation being performed.
  
  Cause:
  
  Invalid Field Name: The field name specified in the report or query may not be valid or recognized by the system.
  Field Not Indexed: The field may not be indexed in the database, which means it cannot be used in certain operations that require indexing.
  
  Configuration Issues: There may be configuration issues in the Controlling module or in the specific report/query being executed.
  Data Model Changes: Changes in the data model or structure of the database may have rendered the field obsolete or invalid.
  
  
  Solution:
  
  Check Field Name: Verify that the field name used