Undefined variable:

I made one gallery and installed it on the front page. I cannot create a second gallery without getting this error. Any idea what’s going on?

{“readyState”:4,”responseText”:”<br />\n<b>Notice</b>: Undefined variable: vaule in <b>/home/nginx/domains/casslouisecom.bigscoots-staging.com/public/wp-content/plugins/grid-kit-premium/classes/crp-ajax.php</b> on line <b>357</b><br />\n<br />\n<b>Notice</b>: Undefined variable: vaule in <b>/home/nginx/domains/casslouisecom.bigscoots-staging.com/public/wp-content/plugins/grid-kit-premium/classes/crp-ajax.php</b> on line <b>357</b><br />\n<br />\n<b>Notice</b>: Undefined variable: vaule in <b>/home/nginx/domains/casslouisecom.bigscoots-staging.com/public/wp-content/plugins/grid-kit-premium/classes/crp-ajax.php</b> on line <b>357</b><br />\n<br />\n<b>Notice</b>: Undefined variable: vaule in <b>/home/nginx/domains/casslouisecom.bigscoots-staging.com/public/wp-content/plugins/grid-kit-premium/classes/crp-ajax.php</b> on line <b>357</b><br />\n<br />\n<b>Notice</b>: Undefined variable: vaule in <b>/home/nginx/domains/casslouisecom.bigscoots-staging.com/public/wp-content/plugins/grid-kit-premium/classes/crp-ajax.php</b> on line <b>357</b><br />\n<br />\n<b>Notice</b>: Undefined variable: vaule in <b>/home/nginx/domains/casslouisecom.bigscoots-staging.com/public/wp-content/plugins/grid-kit-premium/classes/crp-ajax.php</b> on line <b>357</b><br />\n<br />\n<b>Notice</b>: Undefined variable: vaule in <b>/home/nginx/domains/casslouisecom.bigscoots-staging.com/public/wp-content/plugins/grid-kit-premium/classes/crp-ajax.php</b> on line <b>357</b><br />\n<br />\n<b>Notice</b>: Undefined variable: vaule in <b>/home/nginx/domains/casslouisecom.bigscoots-staging.com/public/wp-content/plugins/grid-kit-premium/classes/crp-ajax.php</b> on line <b>357</b><br />\n<br />\n<b>Notice</b>: Undefined variable: vaule in <b>/home/nginx/domains/casslouisecom.bigscoots-staging.com/public/wp-…

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