Do not try to get the avatar if there is no user
Do not try to get the avatar if there is no user

whitekiba/server,Ardinis/server,bluelml/core,owncloud/core,Ardinis/server,endsguy/server,xx621998xx/server,bluelml/core,whitekiba/server,xx621998xx/server,nextcloud/server,xx621998xx/server,cernbox/core,Ardinis/server,Ardinis/server,sharidas/core,andreas-p/nextcloud-server,whitekiba/server,whitekiba/server,IljaN/core,cernbox/core,pixelipo/server,whitekiba/server,phil-davis/core,pollopolea/core,bluelml/core,jbicha/server,pmattern/server,andreas-p/nextcloud-server,nextcloud/server,IljaN/core,michaelletzgus/nextcloud-server,jbicha/server,pmattern/server,IljaN/core,xx621998xx/server,IljaN/core,bluelml/core,pmattern/server,jbicha/server,andreas-p/nextcloud-server,michaelletzgus/nextcloud-server,endsguy/server,pmattern/server,pixelipo/server,pixelipo/server,pollopolea/core,cernbox/core,pmattern/server,owncloud/core,endsguy/server,jbicha/server,bluelml/core,sharidas/core,IljaN/core,andreas-p/nextcloud-server,cernbox/core,endsguy/server,Ardinis/server,owncloud/core,sharidas/core,jbicha/server,sharidas/core,cernbox/core,pixelipo/server,owncloud/core,pixelipo/server,xx621998xx/server,michaelletzgus/nextcloud-server,pollopolea/core,endsguy/server,andreas-p/nextcloud-server,pollopolea/core,nextcloud/server,owncloud/core,pollopolea/core,michaelletzgus/nextcloud-server,nextcloud/server,sharidas/core