Description of problem: If git credentials were changed and "Refresh with a new branch or tag" was performed there is no flash message that warns a user about it. Version-Release number of selected component (if applicable): 5.9.2.3.20180419182310_cab2891 How reproducible: Always Steps to Reproduce: 1. Import automate datastore from a private git repo. 2. Change credentials of that repo. 3. Navigate to Automation/Automate/Explorer. 4. Click "Refresh with a new branch or tag" Actual results: Nothing happened in the UI, in the logs you can find such line: [----] E, [2018-04-23T08:13:41.121296 #11900:8e7114] ERROR -- : MIQ(MiqQueue#deliver) Message id: [777], Error: [Invalid credentials for URL https://some_url/somne_manageiq_datastore.git] Expected results: There should be a flash message about wrong credentials. Additional info: This BZ follows up https://bugzilla.redhat.com/show_bug.cgi?id=1568602