How To Fix GK291 - Complex selection not allowed, only a simple list of fields is permitted

GK291 - Overview

• Message type: E = Error

• Message class: GK - Messages for SAP Consolidation

• Message number: 291

• Message text: Complex selection not allowed, only a simple list of fields is permitted

What causes this issue?

You are adding or deleting custom assignments.
In order to check the validity of validations and rules, the names of
the affected fields must exist as a simple list. However, the program
was started with a complex selection condition.

System Response

The necessary consistency check of the validations and rules cannot be
executed.

How to fix this error?

This is a program error. Please notify SAP.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

GK291 - Details

• The SAP error message GK291, which states "Complex selection not allowed, only a simple list of fields is permitted," typically occurs when you are trying to use a complex selection criterion in a report or transaction that only supports simple field selections. This can happen in various contexts, such as when using selection screens, queries, or reports in SAP.
  
  Cause:
  
  Complex Selection Criteria: The error arises when the selection criteria you are trying to use involve multiple fields, complex logical conditions, or nested selections that are not supported by the transaction or report you are working with.
  Field Limitations: Some SAP transactions or reports are designed to accept only a straightforward list of fields for selection, and any attempt to use more advanced selection techniques will trigger this error.
  
  
  Solution:
  
  Simplify Selection Criteria: Review the selection criteria you are using and simplify it to a basic list of fields. Avoid using complex logical operators or