{"action":"opened","issue":{"url":"https://api.github.com/repos/cubecart/v6/issues/718","labels_url":"https://api.github.com/repos/cubecart/v6/issues/718/labels{/name}","comments_url":"https://api.github.com/repos/cubecart/v6/issues/718/comments","events_url":"https://api.github.com/repos/cubecart/v6/issues/718/events","html_url":"https://github.com/cubecart/v6/issues/718","id":98718348,"number":718,"title":"Adding item to basket","user":{"login":"munroa","id":6748928,"avatar_url":"https://avatars.githubusercontent.com/u/6748928?v=3","gravatar_id":"","url":"https://api.github.com/users/munroa","html_url":"https://github.com/munroa","followers_url":"https://api.github.com/users/munroa/followers","following_url":"https://api.github.com/users/munroa/following{/other_user}","gists_url":"https://api.github.com/users/munroa/gists{/gist_id}","starred_url":"https://api.github.com/users/munroa/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/munroa/subscriptions","organizations_url":"https://api.github.com/users/munroa/orgs","repos_url":"https://api.github.com/users/munroa/repos","events_url":"https://api.github.com/users/munroa/events{/privacy}","received_events_url":"https://api.github.com/users/munroa/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-08-03T10:55:26Z","updated_at":"2015-08-03T10:55:26Z","closed_at":null,"body":"Upgraded from v5 to v6 and using the default skin I get this error in the PHP log when I try to add an item to the basket:\r\n\r\nPHP Fatal error:  Call to a member function lineCalc() on a non-object in /home/site/public_html/classes/cart.class.php on line 794\r\n\r\nAnd this in the console:\r\n\r\nPOST http://scientific-coaching.com/dev/garmin-edge-520.html?_g=ajaxadd 500 (Internal Server Error)\r\nn.ajaxTransport.k.cors.a.crossDomain.send @ jquery.min.js:4\r\nn.extend.ajax @ jquery.min.js:4\r\nadd_to_basket @ 2.cubecart.js:351\r\n$.validate.submitHandler @ 3.cubecart.validate.js:30\r\nh @ jquery.validate.min.js:9\r\n(anonymous function) @ jquery.validate.min.js:9\r\nn.event.dispatch @ jquery.min.js:3\r\nn.event.add.r.handle @ jquery.min.js:3\r\n"}}