{"action":"opened","issue":{"url":"https://api.github.com/repos/academe/wc-multiple-packages/issues/4","labels_url":"https://api.github.com/repos/academe/wc-multiple-packages/issues/4/labels{/name}","comments_url":"https://api.github.com/repos/academe/wc-multiple-packages/issues/4/comments","events_url":"https://api.github.com/repos/academe/wc-multiple-packages/issues/4/events","html_url":"https://github.com/academe/wc-multiple-packages/issues/4","id":99174319,"number":4,"title":"Error changing shipping method","user":{"login":"judgej","id":395934,"avatar_url":"https://avatars.githubusercontent.com/u/395934?v=3","gravatar_id":"","url":"https://api.github.com/users/judgej","html_url":"https://github.com/judgej","followers_url":"https://api.github.com/users/judgej/followers","following_url":"https://api.github.com/users/judgej/following{/other_user}","gists_url":"https://api.github.com/users/judgej/gists{/gist_id}","starred_url":"https://api.github.com/users/judgej/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/judgej/subscriptions","organizations_url":"https://api.github.com/users/judgej/orgs","repos_url":"https://api.github.com/users/judgej/repos","events_url":"https://api.github.com/users/judgej/events{/privacy}","received_events_url":"https://api.github.com/users/judgej/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-08-05T10:27:19Z","updated_at":"2015-08-05T10:27:19Z","closed_at":null,"body":"Sent from user via email:\r\n\r\nOnce i am in the cart page, if I change the shipping type it shows this error Fatal error: Call to undefined method Academe_Multiple_Packages_Settings::calculate_shipping() in /.../htdocs/.../wp-content/plugins/woocommerce/includes/class-wc-shipping.php on line 362\r\n\r\nDo you think that I can use other version of the plugin for solving this? I just installed the wordpress version through the plugins page.\r\n\r\nScreenshots have been supplied."}}