How To Fix TD457 - & is not a valid text symbol

TD457 - Overview

• Message type: E = Error

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

• Message number: 457

• Message text: & is not a valid text symbol

What causes this issue?

An error occurred in a &V4& command. The parameter "&V1&" is not a
valid text symbol name.

System Response

The command was not executed.

How to fix this error?

Select a valid text symbol name as a parameter and correct the text
command.
Valid text symbol names must be enclosed by the character "&". The name
enclosed in the ampersands should begin with a letter and may only
contain letters, digits, and the characters "-" (hyphen) and "_"
(underscore).
Examples: &SYST-UNAME&, &A1234&, &TEIL_SUMME&

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TD457 - & is not a valid text symbol ?

  The SAP error message TD457 indicates that a text symbol is not valid. This typically occurs when the system is unable to find a specific text symbol that is referenced in the program or configuration. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Missing Text Symbol: The text symbol referenced in the program or configuration does not exist in the text pool.
  Incorrect Language Settings: The text symbol may exist, but it is not available in the language you are currently using.
  Transport Issues: If the text symbols were transported from one system to another, there may have been an issue during the transport process.
  Development Errors: The program or function module may have been incorrectly coded, leading to references to non-existent text symbols.
  
  
  Solution:
  
  
  Check Text Symbols:
  
  Go to the transaction SE63 (Translation) or SE78 (SAPscript) to check if the text symbol exists in the relevant text pool.
  Ensure that the text symbol is