Error – Plug-in Not Working

Hi, I get this error when I install the plug-in. What should I do?

Deprecated: Required parameter $from_date follows optional parameter $numpages in /customers/b/9/b/countryandcastle.com/httpd.www/wp-content/plugins/profit-reports-for-woocommerce/admin/class-wcpr-admin.php on line 550 Deprecated: Required parameter $to_date follows optional parameter $numpages in /customers/b/9/b/countryandcastle.com/httpd.www/wp-content/plugins/profit-reports-for-woocommerce/admin/class-wcpr-admin.php on line 550 Warning: Trying to access array offset on value of type bool in /customers/b/9/b/countryandcastle.com/httpd.www/wp-content/plugins/profit-reports-for-woocommerce/includes/class-wcpr-plugin.php on line 118 Warning: Cannot modify header information - headers already sent by (output started at /customers/b/9/b/countryandcastle.com/httpd.www/wp-content/plugins/profit-reports-for-woocommerce/admin/class-wcpr-admin.php:550) in /customers/b/9/b/countryandcastle.com/httpd.www/wp-includes/functions.php on line 6362 Warning: Cannot modify header information - headers already sent by (output started at /customers/b/9/b/countryandcastle.com/httpd.www/wp-content/plugins/profit-reports-for-woocommerce/admin/class-wcpr-admin.php:550) in /customers/b/9/b/countryandcastle.com/httpd.www/wp-admin/includes/misc.php on line 1310 Warning: Cannot modify header information - headers already sent by (output started at /customers/b/9/b/countryandcastle.com/httpd.www/wp-content/plugins/profit-reports-for-woocommerce/admin/class-wcpr-admin.php:550) in /customers/b/9/b/countryandcastle.com/httpd.www/wp-admin/admin-header.php on line 9