incompatibility with Requiem 1.7.7

on the latest version of Eldritch Mobs, running requiem 1.7.7. when you try to phase through blocks as a demon, the game crashes due to some strange error having to do with Eldritch Mobs (according to the blame mod) any ideas as to how to fix it?

crashlog:

https://pastebin.com/H2hwipxU

Start by reproducing the crash while phasing through blocks as a demon with Requiem 1.7.7, then inspect the linked crashlog at https://pastebin.com/H2hwipxU. Trace the reported Eldritch Mobs blame and confirm the game no longer crashes during this action.

Written by the indexing model from the issue text.