Can’t activate the plugin

Hi. Just installed the plugin. Can’t activate it. I get a fatal error:

Warning: require_once(/home/clients/881422949ef6e9a56c08299fe17ebe8b/sites/djfredo.ch/wp-content/plugins/music-player-for-elementor//classes/core/mpfe-plugin-menu-pages.php): failed to open stream: No such file or directory in /home/clients/881422949ef6e9a56c08299fe17ebe8b/sites/djfredo.ch/wp-content/plugins/music-player-for-elementor/classes/core/load-music-player-for-elementor.php on line 55

Fatal error: require_once(): Failed opening required '/home/clients/881422949ef6e9a56c08299fe17ebe8b/sites/djfredo.ch/wp-content/plugins/music-player-for-elementor//classes/core/mpfe-plugin-menu-pages.php' (include_path='.:/opt/php7.3/lib/php') in /home/clients/881422949ef6e9a56c08299fe17ebe8b/sites/djfredo.ch/wp-content/plugins/music-player-for-elementor/classes/core/load-music-player-for-elementor.php on line 55