Fixing bug related to deleting documents.
Fixing bug related to deleting documents.

sashakames/COG,sashakames/COG,EarthSystemCoG/COG,sashakames/COG,EarthSystemCoG/COG,sashakames/COG,EarthSystemCoG/COG,EarthSystemCoG/COG,EarthSystemCoG/COG,sashakames/COG,EarthSystemCoG/COG,sashakames/COG,EarthSystemCoG/COG,sashakames/COG