{"action":"opened","issue":{"url":"https://api.github.com/repos/Mailtrain-org/mailtrain/issues/418","repository_url":"https://api.github.com/repos/Mailtrain-org/mailtrain","labels_url":"https://api.github.com/repos/Mailtrain-org/mailtrain/issues/418/labels{/name}","comments_url":"https://api.github.com/repos/Mailtrain-org/mailtrain/issues/418/comments","events_url":"https://api.github.com/repos/Mailtrain-org/mailtrain/issues/418/events","html_url":"https://github.com/Mailtrain-org/mailtrain/issues/418","id":319841390,"number":418,"title":"Saving impossible \"Path must be a string. Received null\"","user":{"login":"kolaente","id":13721712,"avatar_url":"https://avatars0.githubusercontent.com/u/13721712?v=4","gravatar_id":"","url":"https://api.github.com/users/kolaente","html_url":"https://github.com/kolaente","followers_url":"https://api.github.com/users/kolaente/followers","following_url":"https://api.github.com/users/kolaente/following{/other_user}","gists_url":"https://api.github.com/users/kolaente/gists{/gist_id}","starred_url":"https://api.github.com/users/kolaente/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kolaente/subscriptions","organizations_url":"https://api.github.com/users/kolaente/orgs","repos_url":"https://api.github.com/users/kolaente/repos","events_url":"https://api.github.com/users/kolaente/events{/privacy}","received_events_url":"https://api.github.com/users/kolaente/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-05-03T09:10:43Z","updated_at":"2018-05-03T09:10:43Z","closed_at":null,"author_association":"NONE","body":"I duplicated an old template yesterday and did some modifications. When I wanted to continue working on the template today, I couldn't save anymore. I haven't changed anything compared to yesterday.\r\n\r\nI've updated to the latest version today (after the error occured), didn't help. Still does not work.\r\nI'm using the official docker image.\r\n\r\nFull trace:\r\n\r\n```\r\nmailtrain_1  | path.js:28\r\nmailtrain_1  |     throw new TypeError('Path must be a string. Received ' + inspect(path));\r\nmailtrain_1  |     ^\r\nmailtrain_1  | \r\nmailtrain_1  | TypeError: Path must be a string. Received null\r\nmailtrain_1  |     at assertPath (path.js:28:11)\r\nmailtrain_1  |     at Object.join (path.js:1253:7)\r\nmailtrain_1  |     at resizedImage (/app/routes/editorapi.js:108:27)\r\nmailtrain_1  |     at getProcessedImage (/app/routes/editorapi.js:182:9)\r\nmailtrain_1  |     at fs.readdir (/app/routes/editorapi.js:208:13)\r\nmailtrain_1  |     at FSReqWrap.oncomplete (fs.js:136:15)\r\n\r\n```"}}
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