Bug #2721: Add error check in onegroup creation
Bug #2721: Add error check in onegroup creation

goberle/one,mattthias/one,unistra/one,spirit03/one,Terradue/one,alvarosimon/one,fasrc/one,cloudweavers/one,alvarosimon/one,dberzano/opennebula-torino,unistra/one,juanmont/one,alvarosimon/one,hsanjuan/one,spirit03/one,Terradue/one,alvarosimon/one,OpenNebula/one,hsanjuan/one,hsanjuan/one,atodorov-storpool/one,unistra/one,abelCoronado93/one,OpenNebula/one,tuxmea/one,ggalancs/one,Terradue/one,hsanjuan/one,fasrc/one,spirit03/one,ggalancs/one,cloudweavers/one,tuxmea/one,OpenNebula/one,fasrc/one,dberzano/opennebula-torino,unistra/one,baby-gnu/one,juanmont/one,Terradue/one,spirit03/one,abelCoronado93/one,ggalancs/one,tuxmea/one,fasrc/one,abelCoronado93/one,alvarosimon/one,atodorov-storpool/one,baby-gnu/one,Terradue/one,fasrc/one,tuxmea/one,OpenNebula/one,mattthias/one,tuxmea/one,OpenNebula/one,spirit03/one,goberle/one,mattthias/one,tuxmea/one,mattthias/one,fasrc/one,atodorov-storpool/one,atodorov-storpool/one,OpenNebula/one,juanmont/one,ohamada/one,abelCoronado93/one,cloudweavers/one,baby-gnu/one,cloudweavers/one,ohamada/one,abelCoronado93/one,goberle/one,alvarosimon/one,dberzano/opennebula-torino,unistra/one,mattthias/one,alvarosimon/one,goberle/one,OpenNebula/one,ggalancs/one,mattthias/one,ggalancs/one,juanmont/one,atodorov-storpool/one,Terradue/one,mattthias/one,atodorov-storpool/one,Terradue/one,ggalancs/one,ohamada/one,hsanjuan/one,baby-gnu/one,tuxmea/one,ggalancs/one,abelCoronado93/one,ohamada/one,hsanjuan/one,goberle/one,atodorov-storpool/one,baby-gnu/one,unistra/one,unistra/one,cloudweavers/one,juanmont/one,hsanjuan/one,spirit03/one,cloudweavers/one,dberzano/opennebula-torino,juanmont/one,goberle/one,hsanjuan/one,juanmont/one,goberle/one,goberle/one,OpenNebula/one,Terradue/one,baby-gnu/one,dberzano/opennebula-torino,ohamada/one,abelCoronado93/one,dberzano/opennebula-torino,baby-gnu/one,spirit03/one,OpenNebula/one,baby-gnu/one,abelCoronado93/one,ohamada/one,dberzano/opennebula-torino,mattthias/one,fasrc/one,juanmont/one,atodorov-storpool/one,ohamada/one,ohamada/one,atodorov-storpool/one,ggalancs/one,unistra/one,juanmont/one,spirit03/one,fasrc/one,alvarosimon/one,tuxmea/one,cloudweavers/one,cloudweavers/one