How To Fix R1802 - Function & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: R1 - Business Partner Messages from S_BUPA_GENERAL

• Message number: 802

• Message text: Function & 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 R1802 - Function & does not exist ?

  The SAP error message R1802, which states "Function & does not exist," typically occurs when the system is unable to find a specified function module, method, or procedure that is being called in the program or transaction. This can happen for several reasons:
  Causes:
  
  Typographical Error: The function name may be misspelled or incorrectly referenced in the code.
  Missing Function Module: The function module may not exist in the system, possibly due to missing transport requests or incorrect installation.
  Authorization Issues: The user may not have the necessary authorizations to access the function module.
  Namespace Issues: The function might be in a different namespace that is not accessible in the current context.
  Version Compatibility: The function may exist in a different version of the SAP system or may have been deprecated in the current version.
  
  Solutions:
  
  Check Spelling: Verify that the function name is spelled correctly in the code.
  Function Module Existence: Use transaction SE37 (Function Builder) to check if the function module exists. If it does not, you may need to create it or transport it from another system.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the function. You can check this using transaction SU53 after the error occurs.
  Namespace Verification: If the function is part of a custom development, ensure that the namespace is correctly referenced.
  System Version: Confirm that the function is available in your version of SAP. You may need to consult SAP Notes or documentation for changes in function availability.
  Debugging: If you have access to the ABAP code, you can debug the program to see where the function is being called and gather more context about the error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the specific function module or error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE37 (Function Builder), and SE11 (Data Dictionary) for further investigation.
  Documentation: Review the SAP Help Portal for documentation related to the specific function module or method you are trying to use.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further assistance.