How To Fix MSG_UH020 - Class Field &1 does not exist.

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_UH - Universal Hierarchy Message Class

• Message number: 020

• Message text: Class Field &1 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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Smart SAP Assistant

• What is the cause and solution for SAP error message MSG_UH020 - Class Field &1 does not exist. ?

  The SAP error message MSG_UH020 with the description "Class Field &1 does not exist" typically indicates that there is an issue with a field that is being referenced in a class or structure, but that field is not defined or does not exist in the context where it is being used.
  Causes:
  
  Field Name Typo: The field name specified in the error message may have been misspelled or incorrectly referenced.
  Field Not Defined: The field may not be defined in the class or structure you are trying to access.
  Changes in Data Dictionary: If there have been recent changes to the data dictionary (like adding or removing fields), the code may not be updated accordingly.
  Incorrect Class/Structure: The class or structure being referenced may not be the correct one, leading to the field not being found.
  Authorization Issues: Sometimes, authorization issues can prevent access to certain fields, leading to this error.
  
  Solutions:
  
  Check Field Name: Verify that the field name referenced in the error message is spelled correctly and matches the definition in the data dictionary.
  Review Class/Structure Definition: Check the definition of the class or structure to ensure that the field is indeed defined there.
  Update Code: If there have been changes in the data dictionary, update the ABAP code to reflect those changes.
  Debugging: Use the ABAP debugger to trace where the error occurs and inspect the variables and structures involved.
  Authorization Check: Ensure that the user has the necessary authorizations to access the field in question.
  Consult Documentation: If the field is part of a standard SAP module, consult the relevant SAP documentation or notes for any known issues or changes.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate the definitions of classes and fields.
  SAP Notes: Check SAP Notes for any known issues related to the specific version of SAP you are using.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an experienced ABAP developer for further assistance.