recurring scheduler

the problem in the pictures

check the browser console for JS errors. Probably some error happens on mousedown, which is recognized as a start of drag-n-drop, and calendar gets to incorrect state. I couldn’t reproduce it in the latest version of the samples, so probably it is something app-specific.
Please attach a demo (html page) so I could try it locally

Hi Aliaksandr
dhtmlxScheduler_v40_std_130813\samples\03_extensions\01_recurring_events.html,you can find this problem.