{"action":"created","issue":{"url":"https://api.github.com/repos/ubertheme/magento2_data_migration/issues/10","labels_url":"https://api.github.com/repos/ubertheme/magento2_data_migration/issues/10/labels{/name}","comments_url":"https://api.github.com/repos/ubertheme/magento2_data_migration/issues/10/comments","events_url":"https://api.github.com/repos/ubertheme/magento2_data_migration/issues/10/events","html_url":"https://github.com/ubertheme/magento2_data_migration/issues/10","id":118810485,"number":10,"title":"Attribute Migration ","user":{"login":"derdeakon","id":7261600,"avatar_url":"https://avatars.githubusercontent.com/u/7261600?v=3","gravatar_id":"","url":"https://api.github.com/users/derdeakon","html_url":"https://github.com/derdeakon","followers_url":"https://api.github.com/users/derdeakon/followers","following_url":"https://api.github.com/users/derdeakon/following{/other_user}","gists_url":"https://api.github.com/users/derdeakon/gists{/gist_id}","starred_url":"https://api.github.com/users/derdeakon/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/derdeakon/subscriptions","organizations_url":"https://api.github.com/users/derdeakon/orgs","repos_url":"https://api.github.com/users/derdeakon/repos","events_url":"https://api.github.com/users/derdeakon/events{/privacy}","received_events_url":"https://api.github.com/users/derdeakon/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-11-25T10:57:21Z","updated_at":"2015-11-25T14:20:10Z","closed_at":null,"body":"Hello,\r\n\r\ni want to migrate my multistore in my new magento2. I follow your Migration Guide Step by Step but in Step 3 i got an error Message.\r\n\r\nCould You help me with that.\r\n\r\nI use Magento 1.9.0.1 and last release from Mage2\r\n.\r\n![error](https://cloud.githubusercontent.com/assets/7261600/11395471/a962d592-936b-11e5-97e9-9059dcf8d711.PNG)\r\n\r\nThanks for your help\r\n"},"comment":{"url":"https://api.github.com/repos/ubertheme/magento2_data_migration/issues/comments/159620104","html_url":"https://github.com/ubertheme/magento2_data_migration/issues/10#issuecomment-159620104","issue_url":"https://api.github.com/repos/ubertheme/magento2_data_migration/issues/10","id":159620104,"user":{"login":"quynhvv","id":10073722,"avatar_url":"https://avatars.githubusercontent.com/u/10073722?v=3","gravatar_id":"","url":"https://api.github.com/users/quynhvv","html_url":"https://github.com/quynhvv","followers_url":"https://api.github.com/users/quynhvv/followers","following_url":"https://api.github.com/users/quynhvv/following{/other_user}","gists_url":"https://api.github.com/users/quynhvv/gists{/gist_id}","starred_url":"https://api.github.com/users/quynhvv/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/quynhvv/subscriptions","organizations_url":"https://api.github.com/users/quynhvv/orgs","repos_url":"https://api.github.com/users/quynhvv/repos","events_url":"https://api.github.com/users/quynhvv/events{/privacy}","received_events_url":"https://api.github.com/users/quynhvv/received_events","type":"User","site_admin":false},"created_at":"2015-11-25T14:20:10Z","updated_at":"2015-11-25T14:20:10Z","body":"\r\nHi derdeakon,\r\nTo solve the issue as you said let's do steps bellow:\r\nStep 1: Manual reset the step 3 by URL: `http://URL_TO_THIS_TOO/migrate/reset/step/3`\r\nStep 2: \r\nOpen the PHP file at `protected/controllers/MigrateController.php`\r\nand find to the code line 401: `$attribute_group2->attribute_group_code = null;`\r\nand replace it by code line:\r\n```\r\n$attributeGroupCode = trim(preg_replace('/[^a-z0-9]+/', '-', strtolower($attribute_group->attribute_group_name)), '-');\r\n$attribute_group2->attribute_group_code = $attributeGroupCode;\r\n\r\n```\r\nand re-start migration on this step.\r\n\r\nLet's do and tell me know how it goes.\r\nRegards,\r\nquynhvv\r\n\r\n\r\n"}}