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

TD490 - Overview

• 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