Hello Chris,
Unfortunately I am still not able to reproduce the issue in my local tests. I suggest you utilize the general troubleshooting tips from
this page (the bottom section concerning server error 500 in particular).
If the problem remains, please provide a live url where the problem can be seen or isolate a working subset of your project and send it attached to a regular support ticket. Thus we will do our best to provide up-to-point answer/solution.
Kind regards,
Sebastian
the Telerik team
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