Creeper Mob throws exception with PreventSuicide: true

BungeeCord / Spigot 1.12.1 latest build
MythicMobs 4.2.0
Java: 1.8.0_141 x64
O/S: Windows 10 Pro x64

Issue: when setting the PreventSuicide to "TRUE", an exception is thrown after the creeper explodes. Creeper lives, damage is done, but shouldn't have exceptions. When set to FALSE, there are no exceptions.
MasterCreeper:
Mobtype: Creeper
Display: ''
Options:
FollowRange: 30
AlwaysShowName: false
MovementSpeed: 0.50
PreventOtherDrops: false...

Creeper Mob throws exception with PreventSuicide: true