Cause:
WebUI code contained error that didn't allow to setup cluster without an explicit specification of knet links.
Consequence:
A user could not setup cluster without an explicit specification of knet links.
Fix:
The error in webUI was fixed.
Result:
A user can setup cluster without an explicit specification of knet links.
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-2019:0964
Created attachment 1549026 [details] proposed fix