I experienced a spontaneous crash in the middle of mission 5 of the demo.
Executable: `Project Landsword Demo Build V.0.7.1.exe`
Error message:
```
___________________________________________
############################################################################################
FATAL ERROR in
action number 1
of Alarm Event for alarm 0
for object o_grenade_linear:
Variable <unknown_object>.sprite_index(24, -2147483648) not set before reading it.
at gml_Object_o_grenade_linear_Alarm_0
############################################################################################
--------------------------------------------------------------------------------------------
stack frame is
gml_Object_o_grenade_linear_Alarm_0 (line -1)
```