Event Color Turns To Red (Data From Database)

I Have Copied All PHP File required to root directory and changed the path of import files.

but when i create event it turns to red. how to check error. i m not able to see any error bt in table event is not added

any suggestion

If you are using connector on server side - enable logging.
docs.dhtmlx.com/doku.php?id=dhtm … tor:errors