Developer credits
Git commits in Moodle 3.5.8 by Ilya Tregubov
commit 9f51263a377bf9f4ad7fa6bd78e865dcc02dbe84 Author: Ilya Tregubov <ilyatregubov@catalyst-au.net> Date: Mon, 17 Jun 2019 13:37:32 +0800 Tag: v3.5.8 MDL-65925 assign: Grade page broken if submission was deleted.