How To Fix NGC_RAP037 - Characteristic restriction to class type &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: NGC_RAP - Message class for NGC RAP Implementations

• Message number: 037

• Message text: Characteristic restriction to class type &1 already exists

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NGC_RAP037 - Characteristic restriction to class type &1 already exists ?

  The SAP error message NGC_RAP037 indicates that there is an attempt to create or modify a characteristic restriction for a class type that already has a restriction defined. This typically occurs in the context of SAP's classification system, where characteristics are used to define properties of objects in a class.
  Cause:
  The error is triggered when:
  
  You are trying to create a new characteristic restriction for a class type that already has an existing restriction for that characteristic.
  There may be a conflict in the data model where the same characteristic is being defined multiple times for the same class type.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Restrictions:
  
  Navigate to the classification system in SAP and check the existing characteristic restrictions for the class type in question.
  Use transaction codes like CL02 (Change Class) or CL03 (Display Class) to view the characteristics and their restrictions.
  
  
  
  Modify or Delete Existing Restrictions:
  
  If you find that a restriction already exists for the characteristic, you can either modify it to meet your requirements or delete it if it is no longer needed.
  Ensure that any changes made do not violate business rules or data integrity.
  
  
  
  Create New Characteristic:
  
  If the existing characteristic restriction cannot be modified or deleted, consider creating a new characteristic that serves your purpose without conflicting with the existing one.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to classification and characteristics to ensure you are following best practices.
  
  
  
  Check for Custom Code:
  
  If your organization has custom developments related to classification, check if there are any custom validations or logic that might be causing this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), CL03 (Display Class), and CL24 (Display Characteristics).
  SAP Notes: Search for SAP Notes related to classification and characteristic restrictions for any known issues or patches.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.