How To Fix C0304 - - Charact. & &: No characteristics assigned to message cat. &

SAP Error Message - Details

• Message type: E = Error

• Message class: C0 - PP-PI: Messages for PI Sheet and Syntax Checker

• Message number: 304

• Message text: - Charact. & &: No characteristics assigned to message cat. &

What causes this issue?

In the process instruction, message category &V3& has been assigned to
characteristic &V1& &V2&. This means that a message of message
category &V3& is requested.
However, no characteristics have been assigned to message category &V3&
in Customizing.

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?

RESET N1
Assign characteristics to message category &V3& in Customizing and, if
necessary, assign them to the target fields of the message destination.
Assign the message characteristics to the process instruction. They
must follow characteristic &V1& &V2&.
INCLUDE NA_INST_MESSCHAR OBJECT DOKU ID TX LANGUAGE E

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C0304 - - Charact. & &: No characteristics assigned to message cat. & ?

  The SAP error message C0304 typically indicates that there are no characteristics assigned to a specific message category in the context of SAP's classification system. This error can occur in various modules, particularly in areas related to materials management, sales, or production planning where characteristics and classes are used for classification purposes.
  Cause:
  
  Missing Characteristics: The primary cause of this error is that the message category specified does not have any characteristics assigned to it. This can happen if the configuration for the message category is incomplete or if the characteristics were not defined properly.
  Incorrect Configuration: The message category may not have been set up correctly in the system, leading to a lack of associated characteristics.
  Data Inconsistency: There may be inconsistencies in the data where the characteristics were expected to be linked but are not.
  
  Solution:
  
  
  Check Message Category Configuration:
  
  Go to the configuration settings for the message category in the SAP system.
  Ensure that the correct characteristics are assigned to the message category in question.
  
  
  
  Assign Characteristics:
  
  If characteristics are missing, you can assign them by navigating to the relevant configuration area (usually found in the IMG under Logistics or Sales and Distribution).
  Use transaction codes like CL02 (Change Class) or CL03 (Display Class) to manage characteristics and classes.
  
  
  
  Review Class and Characteristics:
  
  Ensure that the characteristics you want to use are created and active.
  Check if the characteristics are assigned to the correct class that corresponds to the message category.
  
  
  
  Testing:
  
  After making changes, test the functionality again to ensure that the error does not occur.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for specific guidance on the classification system and message categories.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), and CL03 (Display Class) for managing characteristics and classes.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to characteristics and message categories.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module.