How To Fix NGC_API_BASE029 - Class with internal class no. &1 is not assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: NGC_API_BASE - NGC API Messages

• Message number: 029

• Message text: Class with internal class no. &1 is not assigned

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NGC_API_BASE029 - Class with internal class no. &1 is not assigned ?

  The SAP error message NGC_API_BASE029 indicates that there is an issue with a class that is not properly assigned in the system. This error typically arises in the context of the SAP Global Trade Services (GTS) or when dealing with classification and categorization of materials or products.
  Cause:
  The error message "Class with internal class no. &1 is not assigned" usually occurs due to one of the following reasons:
  
  Missing Class Assignment: The class specified in the error message is not assigned to the relevant object (e.g., material, product, etc.) in the system.
  Incorrect Configuration: The configuration for the classification system may not be set up correctly, leading to the system being unable to find the specified class.
  Data Inconsistency: There may be inconsistencies in the master data or classification data that prevent the system from recognizing the class.
  Authorization Issues: The user may not have the necessary authorizations to access or view the class.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Class Assignment:
  
  Go to the relevant transaction (e.g., MM02 for material master) and check if the class is assigned to the object in question.
  If it is not assigned, you will need to assign the class to the object.
  
  
  
  Verify Class Configuration:
  
  Check the configuration settings for the classification system in SPRO (SAP Project Reference Object).
  Ensure that the class is defined correctly and is active.
  
  
  
  Review Master Data:
  
  Inspect the master data for any inconsistencies or missing information related to the class.
  Make sure that all required fields are filled out correctly.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the class and perform the required actions.
  You may need to consult with your SAP security team to verify user roles and permissions.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can analyze the program or function module that is generating the error to identify the root cause.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02 (Change Material), CL02 (Change Class), and CL30 (Display Class).
  SAP GTS: If you are working with SAP GTS, ensure that the integration with the material master and classification is correctly set up.
  Documentation: Refer to SAP documentation for classification and GTS for more detailed information on how to manage classes and their assignments.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support or your internal SAP team for further assistance.