How To Fix 9J643 - Activity type &2 not allowed for material type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 9J -

• Message number: 643

• Message text: Activity type &2 not allowed for material type &1

What causes this issue?

Service type &v2& is not valid for material type &v1&.

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?

If service type &v2& should be valid for material type &v1&, in
Customizing define the relevant entry.

ENDIF

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 9J643 - Activity type &2 not allowed for material type &1 ?

  The SAP error message 9J643 indicates that an activity type is not allowed for a specific material type. This error typically arises in the context of production planning or controlling when trying to assign an activity type to a material that is not permitted by the system configuration.
  Cause:
  The error occurs due to one of the following reasons:
  
  Configuration Settings: The activity type you are trying to use is not configured to be associated with the specified material type in the system.
  Material Type Restrictions: Certain material types have restrictions on which activity types can be assigned to them, based on business rules or system settings.
  Master Data Issues: The material master data may not be set up correctly, leading to the restriction.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to the configuration settings in SAP (Transaction code: SPRO).
  Navigate to Controlling > Product Cost Controlling > Cost Object Controlling > Activity Types.
  Verify if the activity type is allowed for the specified material type. If not, you may need to adjust the configuration.
  
  
  
  Review Material Type Settings:
  
  Check the settings for the material type in the material master (Transaction code: MM02).
  Ensure that the material type is set up to allow the use of the specified activity type.
  
  
  
  Adjust Activity Type Assignment:
  
  If the activity type is not appropriate for the material type, consider using a different activity type that is allowed for that material type.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or guidelines provided by your organization regarding the use of activity types and material types.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue through configuration changes, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02 (Change Material), SPRO (Customizing), and CK11N (Create Cost Estimate).
  Material Master Data: Understanding the structure and settings of material master data is crucial for resolving issues related to material types and activity types.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to configuration settings or material master data.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.