fix(aggregator) check for missing space data (#965)
fix(aggregator) check for missing space data (#965)

Signed-off-by: Vasil Petkov <e35b3f102f88f39060ea4ab502f39a686b3b0e72@sap.com>
cloudfoundry-incubator/cf-abacus,cloudfoundry-incubator/cf-abacus,cloudfoundry-incubator/cf-abacus