The same question has been already answered in this thread https://www.telerik.com/forums/404-error-for-file-kendoui-woff#v12zU4_VfUigzVEBly-L_Q . In case the suggested approaches for solving the issue don't help, please provide us with isolated sample runnable project where the issue could be observed and send it back together with the reproduction steps.
In this way we will be enabled to run it locally, investigate the case on our side and do our best to provide you with more detailed information and reliable solution.
Wish you a great day!
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