Commit can not be attached to the Differential revision


Observed Behavior:
the Differential revision has been accepted and the commit has been shown in “Recent Commits”.But the commit has not been attached to the Differential revision.This problem happened twice and they are both very large commit(about 400 files).

Expected Behavior:

Phabricator Version:

Reproduction Steps:
Steps the upstream can follow on a clean install to see the same issue