How To Fix TD490 - Function module '&1' does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: TD - SAPscript: Text editor, composer, forms, styles and fonts

• Message number: 490

• Message text: Function module '&1' does not exist

What causes this issue?

A function module is specified in table TTXIE for the INCLUDE exits.
The system has determined at runtime that this function module does not
exist. You also receive this message if the table contains an entry for
a text object and the name of the function module is set to its initial
value.

System Response

The system terminates.

How to fix this error?

Check the entries in table TTXIE and, if required, create a function
module as described in the documentation.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TD490 - Function module '&1' does not exist ?

  The SAP error message TD490 indicates that a function module specified in your program or configuration does not exist in the SAP system. This can occur for several reasons, and understanding the cause is essential for finding a solution.
  Causes of TD490 Error
  
  Typographical Error: The name of the function module may have been misspelled in the code or configuration.
  Missing Function Module: The function module may not have been created or activated in the system.
  Transport Issues: If the function module was recently transported from another system, it may not have been included in the transport request or may not have been imported correctly.
  Version Differences: The function module may exist in a different version of SAP or in a different client.
  Authorization Issues: The user may not have the necessary authorizations to access the function module, leading to the perception that it does not exist.
  
  Solutions
  
  Check Spelling: Verify that the function module name is spelled correctly in your code or configuration.
  Function Module Existence: Use transaction code SE37 (Function Builder) to check if the function module exists. If it does not, you may need to create it or find out why it is missing.
  Transport Check: If the function module was supposed to be transported, check the transport logs to ensure it was included and imported correctly.
  Client Check: Ensure you are in the correct client where the function module is supposed to exist. You can switch clients using the client selection screen.
  Authorization Check: Ensure that the user has the necessary authorizations to access the function module. You can check this using transaction SU53 after attempting to execute the function.
  Debugging: If the error occurs during a specific transaction or program, consider debugging the program to see where the function module is being called and gather more context about the error.
  
  Related Information
  
  
  Transaction Codes:
  
  SE37: Function Builder - to check the existence of the function module.
  SE80: Object Navigator - to explore various objects including function modules.
  SE11: Data Dictionary - to check related database objects if applicable.
  
  
  
  SAP Notes: Check SAP Notes for any known issues related to the specific function module or error message. You can search for TD490 in the SAP Support Portal.
  
  
  Documentation: Review the documentation for the specific function module to understand its purpose and any dependencies it may have.
  
  
  By following these steps, you should be able to identify the cause of the TD490 error and implement a solution. If the problem persists, consider reaching out to your SAP Basis team or SAP support for further assistance.