How To Fix TD428 - Parameter FUNCTION=& is invalid

TD428 - Overview

• Message type: E = Error

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

• Message number: 428

• Message text: Parameter FUNCTION=& is invalid

What causes this issue?

An invalid value was specified for the parameter FUNCTION.

System Response

The function was ignored.

How to fix this error?

Please enter a value which is valid for the parameter FUNCTION, such as
<H>SET</>.

Error message extract from SAP system. Copyright SAP SE.

TD428 - Details

• The SAP error message TD428, which states "Parameter FUNCTION=& is invalid," typically occurs in the context of transport management or when dealing with transport requests in SAP. This error indicates that the system is expecting a valid function name or parameter, but it has received an invalid or empty value instead.
  Causes:
  
  Incorrect Function Name: The function name specified in the transport request or configuration is incorrect or does not exist.
  Empty Parameter: The parameter FUNCTION is not set or is empty, leading to the error.
  
  Configuration Issues: There may be issues in the transport configuration or settings that are causing the system to not recognize the function.
  Custom Development: If there are custom programs or enhancements that manipulate transport requests, they may be incorrectly coded or not handling parameters properly.
  
  Solutions:
  
  Check Function Name: Verify that the function name specified in the transport request or configuration is correct and exists in the system.
  Set Parameter Correctly: Ensure