How To Fix DGHU336 - Exception &1 &2 was already defined for material &3

DGHU336 - Overview

• Message type: E = Error

• Message class: DGHU - Messages for Handling Unit and Dynam. Classification

• Message number: 336

• Message text: Exception &1 &2 was already defined for material &3

What causes this issue?

In the dangerous goods master for the material &V3&, the exception to
dangerous goods regulations &V2& was assigned for the dangerous goods
regulation &V1&. This exception must no longer be assigned to the
handling unit item.

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?

Choose a different exception to dangerous goods regulations.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

DGHU336 - Details

• The SAP error message DGHU336 indicates that there is a duplicate definition for a specific exception related to a material. This typically occurs in the context of handling exceptions in the material master data or during the processing of certain transactions where exceptions are defined for materials.
  
  Cause:
  The error message is triggered when:
  
  An exception (like a specific condition or status) has already been defined for the material in question, and there is an attempt to define it again.
  This can happen during data entry, batch processing, or when importing data where the same exception is being applied multiple times to the same material.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Exceptions:
  
  Go to the material master data for the material in question (using transaction code MM03).
  Check the relevant views (like Basic Data, Sales, Purchasing, etc.) to see if the exception is already defined.
  
  
  
  Remove Duplicate Entries:
  
  If you find that the exception