Hello
We have updated the Kaylee template to use the mobile menu of our more recent templates which should resolve any issues,
For details on updating your template may I suggest the following article..
https://joomla51.com/tutorials/joomla-basics/updating-your-joomla-template
If the issue persists after updating, may I suggest sending temporary administration access to your Joomla installation to info@joomla51.com and we will examine this issue further. For our reference please paste a link to this post in your email.
Ciaran