How To Fix MH254 - Material &, unit &, layout module &, version &: Basic variant not allowed

MH254 - Overview

• Message type: E = Error

• Message class: MH - Maintain Material Master Data (Retail)

• Message number: 254

• Message text: Material &, unit &, layout module &, version &: Basic variant not allowed

What causes this issue?

You have not set the indicator for excluding the material in a variant
of the assignment of the material to a layout module. This is allowed
only in layout module variants if no basic variant for it exists.
As a basic variant does exist, the variant can be maintained only if
the exclusion indicator is set.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MH254 - Material &, unit &, layout module &, version &: Basic variant not allowed ?

  The SAP error message MH254 ("Material &, unit &, layout module &, version &: Basic variant not allowed") typically occurs in the context of Material Management (MM) or Production Planning (PP) when there is an issue with the configuration of a material or the variant used in a specific layout module.
  
  Cause:
  
  Basic Variant Not Allowed: The error indicates that the system is trying to use a basic variant for a material that is not permitted. This can happen if the material is not set up correctly in the system or if the variant configuration is not properly defined.
  Missing Configuration: The material may not have the necessary configuration data or characteristics defined in the system.
  Incorrect Layout Module: The layout module being used may not support the basic variant for the specified material and unit.
  
  
  Solution:
  
  
  Check Material Configuration:
  
  Go to the material master record (transaction code MM03) and verify that the material is correctly configured.
  Ensure