fix client-side exception when deleting labels
fix client-side exception when deleting labels

gorlug/groovebasin,melissanoelle/groovebasin,gorlug/groovebasin,melissanoelle/groovebasin,melissanoelle/groovebasin,dwrensha/groovebasin,dwrensha/groovebasin,dwrensha/groovebasin,dwrensha/groovebasin,gorlug/groovebasin,andrewrk/groovebasin,andrewrk/groovebasin,andrewrk/groovebasin