Added assertion error throw
Added assertion error throw

sayanh/mondrian,sayanh/mondrian,cesarmarinhorj/mondrian,mustangore/mondrian,openedbox/mondrian,preisanalytics/mondrian,wetet2/mondrian,lgrill-pentaho/mondrian,openedbox/mondrian,sayanh/mondrian,preisanalytics/mondrian,Seiferxx/mondrian,wetet2/mondrian,preisanalytics/mondrian,OSBI/mondrian,OSBI/mondrian,julianhyde/mondrian,cesarmarinhorj/mondrian,ivanpogodin/mondrian,bmorrise/mondrian,mustangore/mondrian,lgrill-pentaho/mondrian,cocosli/mondrian,cocosli/mondrian,pentaho/mondrian,stiberger/mondrian,syncron/mondrian,wetet2/mondrian,julianhyde/mondrian,cesarmarinhorj/mondrian,ivanpogodin/mondrian,pedrofvteixeira/mondrian,truvenganong/mondrian,syncron/mondrian,pentaho/mondrian,truvenganong/mondrian,dkincade/mondrian,openedbox/mondrian,ivanpogodin/mondrian,pedrofvteixeira/mondrian,AvinashPD/mondrian,truvenganong/mondrian,stiberger/mondrian,OSBI/mondrian,dkincade/mondrian,bmorrise/mondrian,syncron/mondrian,cocosli/mondrian,mdamour1976/mondrian,nextelBIS/mondrian,AvinashPD/mondrian,pentaho/mondrian,mdamour1976/mondrian,Seiferxx/mondrian,pedrofvteixeira/mondrian,stiberger/mondrian,bmorrise/mondrian,Seiferxx/mondrian,dkincade/mondrian,mustangore/mondrian,nextelBIS/mondrian,lgrill-pentaho/mondrian,AvinashPD/mondrian,nextelBIS/mondrian,mdamour1976/mondrian