How To Fix /SCDL/AF_CORE002 - No class defined for service &1, interface &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCDL/AF_CORE -

• Message number: 002

• Message text: No class defined for service &1, interface &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 /SCDL/AF_CORE002 - No class defined for service &1, interface &2 ?

  The SAP error message /SCDL/AF_CORE002 No class defined for service &1, interface &2 typically occurs in the context of SAP's Service-Oriented Architecture (SOA) or when working with the SAP Cloud Platform. This error indicates that the system is unable to find a class definition for the specified service and interface.
  Cause:
  
  Missing Class Definition: The most common cause is that the class that should implement the specified service interface is not defined or is not available in the system.
  Incorrect Configuration: The service or interface might be incorrectly configured, leading to the system not being able to locate the appropriate class.
  Transport Issues: If the class was recently transported from another system, it might not have been transported correctly, or the transport might not have included all necessary components.
  Namespace Issues: The class might exist but is in a different namespace than expected, causing the system to not find it.
  
  Solution:
  
  Check Class Definition: Verify that the class implementing the service interface exists in the system. You can do this by using transaction SE80 or SE24 to search for the class.
  Review Configuration: Ensure that the service and interface are correctly configured in the relevant settings. Check the service definition and ensure that it points to the correct class.
  Transport Check: If the class was recently transported, check the transport logs to ensure that it was transported successfully. If not, you may need to re-transport the class.
  Namespace Verification: Ensure that the class is in the correct namespace. If it is in a different namespace, you may need to adjust the configuration to point to the correct class.
  Debugging: If the above steps do not resolve the issue, consider debugging the service call to see where the failure occurs and gather more information about the context of the error.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE80 (Object Navigator), SE24 (Class Builder), and SE37 (Function Module) to investigate the issue further.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, there may be specific fixes or recommendations provided by SAP.
  Documentation: Review the documentation for the specific service or interface you are working with to ensure that all prerequisites and configurations are met.
  
  If the problem persists after following these steps, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP SOA or the specific module you are working with.