Added error state when default_quota_in_bytes is not valid
Added error state when default_quota_in_bytes is not valid

nyimbi/cartodb,CartoDB/cartodb,nyimbi/cartodb,DigitalCoder/cartodb,thorncp/cartodb,CartoDB/cartodb,bloomberg/cartodb,splashblot/dronedb,nuxcode/cartodb,future-analytics/cartodb,CartoDB/cartodb,future-analytics/cartodb,thorncp/cartodb,dbirchak/cartodb,bloomberg/cartodb,thorncp/cartodb,future-analytics/cartodb,nuxcode/cartodb,codeandtheory/cartodb,future-analytics/cartodb,nyimbi/cartodb,DigitalCoder/cartodb,nuxcode/cartodb,splashblot/dronedb,dbirchak/cartodb,codeandtheory/cartodb,future-analytics/cartodb,UCL-ShippingGroup/cartodb-1,codeandtheory/cartodb,CartoDB/cartodb,codeandtheory/cartodb,UCL-ShippingGroup/cartodb-1,splashblot/dronedb,splashblot/dronedb,DigitalCoder/cartodb,nuxcode/cartodb,thorncp/cartodb,codeandtheory/cartodb,CartoDB/cartodb,nyimbi/cartodb,bloomberg/cartodb,nuxcode/cartodb,dbirchak/cartodb,dbirchak/cartodb,bloomberg/cartodb,nyimbi/cartodb,DigitalCoder/cartodb,splashblot/dronedb,UCL-ShippingGroup/cartodb-1,UCL-ShippingGroup/cartodb-1,dbirchak/cartodb,bloomberg/cartodb,UCL-ShippingGroup/cartodb-1,thorncp/cartodb,DigitalCoder/cartodb