ALM-623 handle missing event_metrics
ALM-623 handle missing event_metrics

mfenner/lagotto,articlemetrics/lagotto,msingh05/lagotto,CrossRef/lagotto,lagotto/lagotto,articlemetrics/lagotto,ankurpohekar/Lagotto,ankurpohekar/Lagotto,msingh05/lagotto,lagotto/lagotto,ankurpohekar/Lagotto,ankurpohekar/Lagotto,mfenner/lagotto,CrossRef/lagotto,ankurpohekar/Lagotto,ankurpohekar/Lagotto,mfenner/lagotto,ankurpohekar/Lagotto,articlemetrics/lagotto,lagotto/lagotto,CrossRef/lagotto,msingh05/lagotto