Trying to create a new VM on a fresh all-in-one setup on EL7.
It's not possible to create the VM because after having filled the form, the OK button is not working.

Console error shows:
POST 
https://mididell.home/ovirt-engine/webadmin/GenericApiGWTService [HTTP/1.1 200 OK 28ms]
GET 
https://mididell.home/ovirt-engine/services/reports-interface-proxy [HTTP/1.1 404 Not Found 37ms]
POST 
https://mididell.home/ovirt-engine/webadmin/GenericApiGWTService [HTTP/1.1 200 OK 7ms]
"Tue May 12 13:45:29 GMT+200 2015 org.ovirt.engine.ui.uicompat.EnumTranslator
WARNING: trying to localize null, probable error. Exception is not thrown, returning 'N/A'" 301AB8313C7D7D1A400B0A7C15A95FEF.cache.html:22674:7205
POST 
https://mididell.home/ovirt-engine/webadmin/GenericApiGWTService [HTTP/1.1 200 OK 43ms]
"Tue May 12 13:45:30 GMT+200 2015 org.ovirt.engine.ui.uicompat.EnumTranslator
WARNING: trying to localize null, probable error. Exception is not thrown, returning 'N/A'" 301AB8313C7D7D1A400B0A7C15A95FEF.cache.html:22674:7205
POST 
https://mididell.home/ovirt-engine/webadmin/GenericApiGWTService [HTTP/1.1 200 OK 18ms]
POST 
https://mididell.home/ovirt-engine/webadmin/GenericApiGWTService [HTTP/1.1 200 OK 11ms]
POST 
https://mididell.home/ovirt-engine/webadmin/GenericApiGWTService [HTTP/1.1 200 OK 8ms]
POST 
https://mididell.home/ovirt-engine/webadmin/GenericApiGWTService [HTTP/1.1 200 OK 6ms]
GET 
https://mididell.home/ovirt-engine/api/ [HTTP/1.1 200 OK 62ms]
GET 
https://mididell.home/ovirt-engine/services/reports-interface-proxy [HTTP/1.1 404 Not Found 23ms]
POST 
https://mididell.home/ovirt-engine/webadmin/GenericApiGWTService [HTTP/1.1 200 OK 50ms]
POST 
https://mididell.home/ovirt-engine/webadmin/GenericApiGWTService [HTTP/1.1 200 OK 5ms]
"Tue May 12 13:46:09 GMT+200 2015 com.google.gwt.logging.client.LogConfiguration
SEVERE: (TypeError) 
 __gwt$exception: <skipped>: Y9(...) is nullcom.google.gwt.core.client.JavaScriptException: (TypeError) 
 __gwt$exception: <skipped>: Y9(...) is null
	at Unknown.Imn(Unknown Source)
	at Unknown.Kmn(Unknown Source)
	at Unknown.wmn(Unknown Source)
	at Unknown.Yln(Unknown Source)
	at Unknown.Yln(Unknown Source)
	at Unknown.Yln(Unknown Source)
	at Unknown.Yln(Unknown Source)
	at Unknown.smn(Unknown Source)
	at Unknown.smn(Unknown Source)
	at Unknown.$ln(Unknown Source)
	at Unknown.cmn(Unknown Source)
	at Unknown.w4n(Unknown Source)
	at Unknown.m4n(Unknown Source)
	at Unknown.k0p(Unknown Source)
	at Unknown.b8m(Unknown Source)
	at Unknown.e8m(Unknown Source)
	at Unknown.Ybn(Unknown Source)
	at Unknown._bn(Unknown Source)
	at Unknown.Ean(Unknown Source)
	at Unknown.Han(Unknown Source)
	at Unknown.ave(Unknown Source)
	at Unknown.S0j(Unknown Source)
	at Unknown.R2(Unknown Source)
	at Unknown.i3(Unknown Source)
	at Unknown.Ohf/c.onreadystatechange<(Unknown Source)
	at Unknown.Rt(Unknown Source)
	at Unknown.Vt(Unknown Source)
	at Unknown.Ut/<(Unknown Source)
	at Unknown.anonymous(Unknown Source)
" 301AB8313C7D7D1A400B0A7C15A95FEF.cache.html:22674:7162