'Response status code was unacceptable: 405' error in the mobile app
Platform Notice: Server and Data Center Only - This article only applies to Atlassian products on the server and data center platforms.
The Jira Data Center and Server mobile app throws the following error when user tries to connect it to an existing Jira Software (Server or Data Center) site.
Response status code was unacceptable: 405.
The Jira Data Center and Server mobile app works only with specific versions of Jira Software, and the related Mobile Plugin for Jira app. You’re getting this error, because one of these apps has not been upgraded to the latest version.
To resolve this issue, upgrade your Jira instance to Jira Software 8.3 or later.
Not an admin? Send this page to your Jira administrator and ask them to investigate the issue for you.