help

When I install the add-on I get these messages, I would like to know what to do to solve it. I hope you can please help me.

Warning : Trying to access array offset on bool type value in /usr/local/lsws/www.voxcorpusdanza.com/html/wp-content/plugins/private-file-for-woocommerce/includes/settings-my-account- woocommerce.class.php on line 103

Warning : Trying to access array offset on bool type value in /usr/local/lsws/www.voxcorpusdanza.com/html/wp-content/plugins/private-file-for-woocommerce/ include / settings-my-account-woocommerce.class.php on line 116

Warning : Undefined variable : function in /usr/local/lsws/www.voxcorpusdanza.com/html/wp-content/plugins/private-file-for- woocommerce / includes / core-addons / admin-area / admin-area-addon.class.php on line 71

Warning: Variable not defined : icon in /usr/local/lsws/www.voxcorpusdanza.com/html/wp-content/plugins/private-file-for-woocommerce/includes/core-addons/admin-area/admin-area-addon .class.php on line 71

Translated with www.DeepL.com/Translator (free version)

The page I need help with: [log in to see the link]