How To Fix EG426 - Serialization by ISU group material is not possible in MM

EG426 - Overview

• Message type: E = Error

• Message class: EG - IS-U device management

• Message number: 426

• Message text: Serialization by ISU group material is not possible in MM

What causes this issue?

Serialization by IS-U group material is only possible using IS-U
transactions.

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

System Response

Processing is stopped.

How to fix this error?

Terminate the process and, in IS-U Device Management, allocate a group
material to device category &V1&.

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 EG426 - Serialization by ISU group material is not possible in MM ?

  The SAP error message EG426, which states "Serialization by ISU group material is not possible in MM," typically occurs in the context of materials management (MM) and is related to the handling of serialized materials in the ISU (Industry Solution for Utilities) module. This error indicates that there is an issue with the serialization process for materials that are classified as ISU group materials.
  
  Cause:
  
  Material Type Configuration: The material in question may be configured as an ISU group material, which is not compatible with the serialization process in the MM module.
  Missing Serialization Data: The material may not have the necessary serialization data or settings configured in the system.
  Incorrect Movement Type: The movement type being used may not support serialization for the specific material type.
  Master Data Issues: There may be inconsistencies or missing information in the material master data related to serialization.
  
  
  Solution:
  
  Check Material Configuration: Verify the configuration of the material in the