dont allow using null as view root
dont allow using null as view root

jbicha/server,bluelml/core,andreas-p/nextcloud-server,nextcloud/server,owncloud/core,pmattern/server,pixelipo/server,pollopolea/core,owncloud/core,xx621998xx/server,owncloud/core,bluelml/core,nextcloud/server,sharidas/core,nextcloud/server,xx621998xx/server,pollopolea/core,cernbox/core,jbicha/server,whitekiba/server,jbicha/server,pmattern/server,cernbox/core,pixelipo/server,lrytz/core,whitekiba/server,IljaN/core,endsguy/server,whitekiba/server,endsguy/server,pollopolea/core,IljaN/core,Ardinis/server,lrytz/core,Ardinis/server,nextcloud/server,michaelletzgus/nextcloud-server,pmattern/server,lrytz/core,pmattern/server,xx621998xx/server,cernbox/core,pixelipo/server,lrytz/core,Ardinis/server,cernbox/core,sharidas/core,michaelletzgus/nextcloud-server,sharidas/core,pixelipo/server,phil-davis/core,xx621998xx/server,endsguy/server,jbicha/server,pixelipo/server,michaelletzgus/nextcloud-server,endsguy/server,xx621998xx/server,cernbox/core,pollopolea/core,andreas-p/nextcloud-server,sharidas/core,IljaN/core,michaelletzgus/nextcloud-server,sharidas/core,lrytz/core,owncloud/core,endsguy/server,bluelml/core,andreas-p/nextcloud-server,IljaN/core,Ardinis/server,andreas-p/nextcloud-server,pollopolea/core,pmattern/server,Ardinis/server,andreas-p/nextcloud-server,owncloud/core,whitekiba/server,whitekiba/server,bluelml/core,bluelml/core,jbicha/server,IljaN/core