How To Fix SPPF_DET021 - Calling cannot be performed (method &, class &)

SAP Error Message - Details

• Message type: E = Error

• Message class: SPPF_DET - PPF: Determination Technology

• Message number: 021

• Message text: Calling cannot be performed (method &, class &)

What causes this issue?

The method &v1& and/or the class &v2& is not defined.

System Response

Calling cannot be performed. The system cannot evaluate the schedule
conditions.

How to fix this error?

Check the settings for the schedule conditions in the configuration of
conditions

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SPPF_DET021 - Calling cannot be performed (method &, class &) ?

  The SAP error message SPPF_DET021 typically indicates that a method cannot be called for a specific class in the context of the SAP system. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Cause
  
  Method Not Defined: The method you are trying to call may not be defined in the specified class.
  Access Issues: There may be authorization issues preventing the method from being executed.
  Incorrect Class or Method Name: The class or method name specified in the call may be incorrect or misspelled.
  Instance Issues: The instance of the class may not be properly initialized or may not exist.
  Interface Implementation: If the class is supposed to implement an interface, it may not be correctly implemented.
  
  Solution
  
  Check Method Definition: Verify that the method you are trying to call is defined in the class. You can do this by navigating to the class in the ABAP Workbench (SE80 or SE24) and checking the method list.
  Check Class Name: Ensure that the class name and method name are correctly spelled and match the definitions in the system.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the method. You can check this in transaction SU53 or by reviewing the user's roles and authorizations.
  Instance Initialization: If the method is an instance method, ensure that the object of the class is properly instantiated before calling the method.
  Debugging: Use the debugger to trace the execution and identify where the error occurs. This can provide insights into whether the method is being called correctly.
  Check for Interface Implementation: If the class is supposed to implement an interface, ensure that all required methods are implemented correctly.
  
  Related Information
  
  Transaction Codes: Use transaction codes like SE80 (Object Navigator), SE24 (Class Builder), and SE37 (Function Module) to investigate the class and method definitions.
  SAP Notes: Check SAP Notes for any known issues related to this error message. Sometimes, there may be patches or updates that address specific problems.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  If the problem persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.