Error Message:There has been a problem trying to replace ${} with the XPath to the survey element named ''. There is no survey element with this name

Hi,
I am new to Kobo toolbox. I have created one tool but now after constructing it I am coming across problem in viewing as well as deploying the form. the error is displaying as
"There has been a problem trying to replace ${} with the XPath to the survey element named ‘’. There is no survey element with this name.
Any help will be much appreciated.

Welcome to the community, @pradita_ask! You may need to validate your XLSForm through this online validator to see the syntax issues.