How To Fix /PM0/AB_AT003 - Call of class &1 method &2: Not found / error

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/AB_AT -

• Message number: 003

• Message text: Call of class &1 method &2: Not found / error

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 /PM0/AB_AT003 - Call of class &1 method &2: Not found / error ?

  The SAP error message /PM0/AB_AT003 Call of class &1 method &2: Not found / error typically indicates that the system is trying to call a method from a class that either does not exist or is not accessible in the current context. This can occur for several reasons, including:
  Causes:
  
  Class or Method Does Not Exist: The specified class or method may not be defined in the system. This could be due to a missing transport or an incomplete implementation.
  Incorrect Class/Method Name: There may be a typo or incorrect naming in the code that is trying to call the method.
  Authorization Issues: The user may not have the necessary authorizations to access the class or method.
  Versioning Issues: If the system has been upgraded or patched, the class or method may have been removed or renamed.
  Namespace Issues: The class might be in a different namespace that is not accessible from the current context.
  
  Solutions:
  
  Check Class and Method Existence: Use transaction SE24 (Class Builder) to verify that the class and method exist. If they do not, you may need to create them or transport them from another system.
  Correct Naming: Review the code to ensure that the class and method names are spelled correctly and match the definitions in the system.
  Review Authorizations: Check the user’s authorizations to ensure they have access to the class and method. This can be done using transaction SU53 or by consulting with your security team.
  Check for Upgrades or Changes: If the system has recently been upgraded, check the release notes or documentation to see if the class or method has been changed or deprecated.
  Namespace Verification: Ensure that the class is in the correct namespace and that the calling program has access to it.
  
  Related Information:
  
  Transaction Codes: 
  
  SE24: Class Builder to check class definitions.
  SE80: Object Navigator to explore various objects including classes and methods.
  SE37: Function Module to check if the method is part of a function module.
  
  
  Debugging: If you have access, you can use the debugger to trace where the error occurs and gather more context about the call.
  SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this issue.
  
  If the problem persists after checking these areas, it may be beneficial to consult with your SAP Basis or development team for further investigation.