so many errors where to start

so im overloaded with errors front and backend …

Notice: Undefined index: display_limit in /var/www/vhosts/arrowco.ca/httpdocs/wp-content/plugins/wp-related-items/wri-admin-page.php on line 1008

Notice: Undefined index: match_threshold in /var/www/vhosts/arrowco.ca/httpdocs/wp-content/plugins/wp-related-items/wri-admin-page.php on line 1017

2

Notice: Undefined index: custom_template in /var/www/vhosts/arrowco.ca/httpdocs/wp-content/plugins/wp-related-items/wri-admin-page.php on line 1083

Notice: Undefined index: custom_template in /var/www/vhosts/arrowco.ca/httpdocs/wp-content/plugins/wp-related-items/wri-admin-page.php on line 1084

Products
Notice: Undefined index: display_limit in /var/www/vhosts/arrowco.ca/httpdocs/wp-content/plugins/wp-related-items/wri-admin-page.php on line 1008

Notice: Undefined index: match_threshold in /var/www/vhosts/arrowco.ca/httpdocs/wp-content/plugins/wp-related-items/wri-admin-page.php on line 1017

4

Notice: Undefined index: custom_template in /var/www/vhosts/arrowco.ca/httpdocs/wp-content/plugins/wp-related-items/wri-admin-page.php on line 1083

Notice: Undefined index: custom_template in /var/www/vhosts/arrowco.ca/httpdocs/wp-content/plugins/wp-related-items/wri-admin-page.php on line 1084

Portfolios
Notice: Undefined index: display_limit in /var/www/vhosts/arrowco.ca/httpdocs/wp-content/plugins/wp-related-items/wri-admin-page.php on line 1008

Notice: Undefined index: match_threshold in /var/www/vhosts/arrowco.ca/httpdocs/wp-content/plugins/wp-related-items/wri-admin-page.php on line 1017

6

Notice: Undefined index: custom_template in /var/www/vhosts/arrowco.ca/httpdocs/wp-content/plugins/wp-related-items/wri-admin-page.php on line 1083

Notice: Undefined index: custom_template in /var/www/vhosts/arrowco.ca/httpdocs/wp-content/plugins/wp-related-items/wri-admin-page.php on line 1084

for example…