Sounds like an ordering issue in how the console applies the resources from the template.
The console is creating the resources asynchronously, which breaks in this case.
PR to resolve: https://github.com/openshift/origin-web-console/pull/3116
Change to modified since pr has not yet merge. https://github.com/openshift/origin-web-console/pull/3116
Change to modified since pr still has not yet merge. https://github.com/openshift/origin-web-console/pull/3116
PR (finally) merged yesterday.
Created template successfully on openshift-web-console: OpenShift Master: v3.11.90 Kubernetes Master: v1.11.0+d4cacc0 OpenShift Web Console: v3.11.90 Thanks you all!
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2019:0407