How To Fix /SCDL/AF_CORE001 - No instance of implementing class &1 generated

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCDL/AF_CORE -

• Message number: 001

• Message text: No instance of implementing class &1 generated

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 /SCDL/AF_CORE001 - No instance of implementing class &1 generated ?

  The SAP error message /SCDL/AF_CORE001 No instance of implementing class &1 generated typically occurs in the context of SAP Advanced Business Application Programming (ABAP) and is related to the generation of instances for classes that implement certain interfaces or abstract classes. This error can arise in various scenarios, particularly when working with SAP's Supply Chain Management (SCM) or Advanced Planning and Optimization (APO) modules.
  Cause:
  
  Missing Implementation: The class specified in the error message (&1) may not have been properly implemented or generated. This can happen if the class is abstract or if there are issues in the implementation code.
  Configuration Issues: There may be configuration issues in the system that prevent the generation of instances for the class.
  Transport Issues: If the class was recently transported from another system, it may not have been activated or generated correctly in the target system.
  Authorization Issues: Lack of proper authorizations can also prevent the generation of instances.
  System Errors: There could be underlying system errors or inconsistencies that are causing the issue.
  
  Solution:
  
  Check Class Implementation: Verify that the class specified in the error message is correctly implemented. Ensure that all required methods are defined and that the class is not abstract unless intended.
  Activate the Class: If the class was recently created or modified, ensure that it is activated. You can do this in the ABAP Workbench (SE80 or SE24).
  Check Configuration: Review the configuration settings related to the class and its usage. Ensure that all necessary settings are in place.
  Transport Management: If the class was transported, check the transport logs for any errors. Re-transport or re-activate the class if necessary.
  Authorization Check: Ensure that the user has the necessary authorizations to generate instances of the class.
  Debugging: If the issue persists, consider debugging the code to identify where the instance generation is failing. Use transaction SE80 or SE24 to analyze the class and its dependencies.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE80 (Object Navigator), SE24 (Class Builder), and SE37 (Function Module) to investigate the class and its implementation.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  SAP Documentation: Refer to the official SAP documentation for detailed information on class implementation and error handling.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.