How To Fix 29549 - & Class & & is not valid on &

SAP Error Message - Details

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 549

• Message text: & Class & & is not valid on &

What causes this issue?

You want to find out where class &V2& &V3& is used on &V4&.
The selected class is not valid on the <LS>valid-from</> date entered.

How to fix this error?

If you want to display a where-used list for the class in its entire
validity period, enter the special character "!" at the beginning of
the fields <LS>Valid from</> and <LS>Valid to</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29549 - & Class & & is not valid on & ?

  The SAP error message "29549 & & is not valid on &" typically indicates that there is an issue with the classification of a material or object in the SAP system. This error often arises in the context of the Classification System in SAP, where certain classes or characteristics are expected to be valid for specific objects, such as materials or equipment.
  Cause:
  
  Invalid Class Assignment: The class you are trying to assign to the object does not exist or is not valid for the specified object type.
  Missing Authorizations: The user may not have the necessary authorizations to access or modify the class or object.
  Incorrect Configuration: The configuration of the classification system may not be set up correctly, leading to inconsistencies.
  Data Inconsistencies: There may be inconsistencies in the master data that prevent the class from being recognized as valid.
  
  Solution:
  
  
  Check Class Validity: Verify that the class you are trying to use is correctly defined in the system and is valid for the object type you are working with.
  
  Use transaction codes like CL02 (Change Class) or CL03 (Display Class) to check the class details.
  
  
  
  Review Object Type: Ensure that the object type you are trying to classify is compatible with the class. For example, certain classes may only be valid for specific material types or equipment categories.
  
  
  Authorization Check: Ensure that the user has the necessary authorizations to access and modify the class and the object. You can check this using transaction SU53 to analyze authorization issues.
  
  
  Configuration Review: If you have access to configuration settings, review the classification settings in SPRO (SAP Reference IMG) under the relevant sections for Material Management or Plant Maintenance.
  
  
  Data Consistency Check: Run consistency checks on the master data to identify any discrepancies that may be causing the issue.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more detailed information on classification and the specific error message.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), CL03 (Display Class), and CL24 (Class Overview).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.