Since yesterday I have been getting this filling up my error logs:
[19-Nov-2017 17:48:38 UTC] allowed=1
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=16, value=logged in, logged_in=
[19-Nov-2017 17:48:38 UTC] post_id=16, restrict=1
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=17, value=logged in, logged_in=
[19-Nov-2017 17:48:38 UTC] post_id=17, restrict=1
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=2, value=, logged_in=
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=5, value=, logged_in=
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=34, value=, logged_in=
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=35, value=, logged_in=
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=38, value=, logged_in=
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=54, value=, logged_in=
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=61, value=, logged_in=
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=62, value=, logged_in=
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=63, value=, logged_in=
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=64, value=, logged_in=
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=65, value=, logged_in=
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=66, value=, logged_in=
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=67, value=, logged_in=
[19-Nov-2017 17:48:38 UTC] sac_allowed, post_id=69, value=, logged_in=
Stops when I deactivate the SAC plugin.