Geo-Replication Looping Faulty - Worker crashed with "KeyError: "

Issue

Geo-rep is looping faulty because the worker crashed with "KeyError:":

[2016-06-30 22:07:09.316622] E [syncdutils(/mnt/xfs/content/Brkcontent):276:log_raise_exception] : FAIL:
Traceback (most recent call last):
File "/usr/libexec/glusterfs/python/syncdaemon/gsyncd.py", line 201, in main
main_i()
File "/usr/libexec/glusterfs/python/syncdaemon/gsyncd.py", line 720, in main_i
local.service_loop(*[r for r in [remote] if r])
File "/usr/libexec/glusterfs/python/syncdaemon/resource.py", line 1497, in service_loop
g3.crawlwrap(oneshot=True)
File "/usr/libexec/glusterfs/python/syncdaemon/master.py", line 571, in crawlwrap
self.crawl()
File "/usr/libexec/glusterfs/python/syncdaemon/master.py", line 1201, in crawl
self.changelogs_batch_process(changes)
File "/usr/libexec/glusterfs/python/syncdaemon/master.py", line 1107, in changelogs_batch_process
self.process(batch)
File "/usr/libexec/glusterfs/python/syncdaemon/master.py", line 984, in process
self.datas_in_batch.remove(unlinked_gfid)
KeyError: '.gfid/757b0ad8-b6f5-44da-b71a-1b1c25a72988'