Created attachment 1471769 [details] cluster dashboard Description of problem: If there is managed cluster with some volumes then when user deletes all volumes there appears red tooltip `Internal Server Error` for panels Weekly Growth Rate and Weeks Remaining. The tooltip is cleared when user creates again some volume. Version-Release number of selected component (if applicable): tendrl-ansible-1.6.3-5.el7rhgs.noarch tendrl-api-1.6.3-4.el7rhgs.noarch tendrl-api-httpd-1.6.3-4.el7rhgs.noarch tendrl-commons-1.6.3-9.el7rhgs.noarch tendrl-grafana-plugins-1.6.3-7.el7rhgs.noarch tendrl-grafana-selinux-1.5.4-2.el7rhgs.noarch tendrl-monitoring-integration-1.6.3-7.el7rhgs.noarch tendrl-node-agent-1.6.3-9.el7rhgs.noarch tendrl-notifier-1.6.3-4.el7rhgs.noarch tendrl-selinux-1.5.4-2.el7rhgs.noarch tendrl-ui-1.6.3-8.el7rhgs.noarch How reproducible: 100% Steps to Reproduce: 1. Import cluster with some volumes. 2. Open cluster dashboard. 3. Delete all volumes from cluster. Actual results: After a while there appears red tooltip `Internal Server Error` for panels Weekly Growth Rate and Weeks Remaining. Expected results: There should be original tooltips for these panels. Additional info:
The issue occurs also when there are no volumes during cluster import and no volumes are later created.