How To Fix /PM0/3FW_MESSAGES144 - &1: &2 (XML assignment) class: &4 does not exist (field: &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/3FW_MESSAGES -

• Message number: 144

• Message text: &1: &2 (XML assignment) class: &4 does not exist (field: &3)

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 /PM0/3FW_MESSAGES144 - &1: &2 (XML assignment) class: &4 does not exist (field: &3) ?

  The SAP error message /PM0/3FW_MESSAGES144 indicates that there is an issue related to XML assignment in the context of a specific class that does not exist. This error typically arises in scenarios involving data processing, especially when dealing with XML data structures in SAP systems.
  Cause:
  
  
  Non-Existent Class: The error suggests that the specified class (denoted by &4) does not exist in the SAP system. This could be due to:
  
  The class not being created or activated.
  A typo in the class name.
  The class being deleted or not transported correctly from a development environment to production.
  
  
  
  Field Reference Issue: The field (&3) mentioned in the error may not be correctly mapped or defined in the context of the specified class.
  
  
  Configuration Issues: There may be configuration issues in the XML mapping or assignment that lead to this error.
  
  
  Solution:
  
  
  Check Class Existence:
  
  Go to transaction SE24 (Class Builder) and check if the class specified in the error message exists.
  If it does not exist, you may need to create it or transport it from another system.
  
  
  
  Verify Field Mapping:
  
  Ensure that the field (&3) is correctly defined and mapped in the context of the class (&4).
  Check the XML structure to ensure that all fields are correctly referenced.
  
  
  
  Review XML Configuration:
  
  If you are using a specific XML mapping or transformation, review the configuration to ensure that it is set up correctly.
  Check for any recent changes that might have affected the XML assignment.
  
  
  
  Transport Issues:
  
  If the class was recently transported, ensure that the transport was successful and that all dependencies were included.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify where the error is occurring. This may involve checking the relevant ABAP code or XML processing logic.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message or related keywords in the SAP Support Portal.
  Documentation: Review SAP documentation related to XML processing and class management for best practices and troubleshooting steps.
  Community Forums: Consider checking SAP Community forums or other technical forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.