elementor crushing

Hello guys,
actually i am new to wordpress, and just installed wordpress v5.1 on xamp and elementor plugin but while i am trying to edit out a page with this plugin it gives the following error.

Warning: ucwords() expects exactly 1 parameter, 2 given in C:\xampp\htdocs\wordpress\wp-content\plugins\elementor\includes\managers\controls.php on line 411

Fatal error: Class ‘Elementor\Control_’ not found in C:\xampp\htdocs\wordpress\wp-content\plugins\elementor\includes\managers\controls.php on line 413

if anyone had solved this error please guide me.