How To Fix /SAPPO/MSG018 - Method &1 &2 &3 &4 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPPO/MSG -

• Message number: 018

• Message text: Method &1 &2 &3 &4 does not exist

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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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 /SAPPO/MSG018 - Method &1 &2 &3 &4 does not exist ?

  The SAP error message /SAPPO/MSG018 Method &1 &2 &3 &4 does not exist typically indicates that the system is trying to call a method that is not defined or available in the specified class or interface. This can occur in various scenarios, such as when working with ABAP classes, interfaces, or when using certain function modules.
  Causes:
  
  Typographical Error: The method name or class/interface name may have been misspelled in the code.
  Method Not Implemented: The method may not have been implemented in the class or interface you are trying to call.
  Incorrect Class/Interface: The class or interface being referenced may not be the correct one, or it may not contain the specified method.
  Version Issues: If you are using a custom or third-party class, it may not be compatible with the current version of SAP or may have been changed or removed in a recent update.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the method, leading to this error.
  
  Solutions:
  
  Check Method Name: Verify that the method name is spelled correctly in your code.
  Check Class/Interface: Ensure that you are referencing the correct class or interface. You can do this by navigating to the class/interface in the SAP GUI and checking its methods.
  Implement the Method: If the method is supposed to exist but is not implemented, you may need to implement it in the class or interface.
  Check for Updates: If you are using a third-party or custom class, check if there have been any updates or changes that might have affected the method's availability.
  Debugging: Use the ABAP debugger to trace the execution and see where the error occurs. This can help identify if the method is being called correctly.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the method.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE80 (Object Navigator) or SE24 (Class Builder) to explore classes and methods.
  Documentation: Check the SAP documentation or the documentation provided by third-party vendors for any changes or notes regarding the method in question.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide additional context.
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with a developer who has experience with the specific codebase you are working with.