How To Fix NGC_RAP018 - Characteristic &1 cannot be used with class type &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 018

• Message text: Characteristic &1 cannot be used with class type &2

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message NGC_RAP018 - Characteristic &1 cannot be used with class type &2 ?

  The SAP error message NGC_RAP018 indicates that a characteristic cannot be used with a specific class type. This error typically arises in the context of the SAP Variant Configuration (VC) or when working with classification in SAP.
  Cause:
  The error message occurs due to one of the following reasons:
  
  Incompatible Class Type: The characteristic you are trying to use is not compatible with the class type you are working with. For example, if you are trying to assign a characteristic that is defined for a class type that does not support it.
  Incorrect Configuration: The characteristic may not be properly configured or may not be assigned to the correct class type in the system.
  Missing Authorizations: Sometimes, the user may not have the necessary authorizations to access or modify the characteristic or class type.
  
  Solution:
  To resolve the NGC_RAP018 error, you can take the following steps:
  
  
  Check Class Type Compatibility:
  
  Verify that the characteristic you are trying to use is compatible with the class type you are working with. You can do this by checking the configuration of the characteristic in the SAP system.
  Go to the transaction code CL02 (Change Class) and check the class type assigned to the characteristic.
  
  
  
  Review Characteristic Configuration:
  
  Ensure that the characteristic is correctly defined and assigned to the appropriate class type. You can check this in transaction code CT04 (Change Characteristic).
  Make sure that the characteristic is marked as usable for the class type you are working with.
  
  
  
  Check for Authorizations:
  
  Ensure that you have the necessary authorizations to access and modify the characteristic and class type. You may need to contact your SAP security team if you suspect authorization issues.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to Variant Configuration and classification to ensure that you are following the correct procedures.
  
  
  
  Testing:
  
  After making the necessary changes, test the configuration again to see if the error persists.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CL02: Change Class
  CT04: Change Characteristic
  CL01: Create Class
  CT01: Create Characteristic
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  SAP Community: You can also search the SAP Community forums for discussions related to this error message, as other users may have encountered and resolved similar issues.
  
  
  By following these steps, you should be able to identify the cause of the NGC_RAP018 error and implement a solution to resolve it.