24-Hour Amnesia - A Collaboration Story

[Acies]

Whenever i try to enter Observation this message comes up -
FATAL ERROR: Could not load script file 'custom_stories/Twenty Four Hour Amnesia/maps/observation.hps'!
main (834,46) : ERR : No conversation from 'string@&' to math type available
main (834,57) : ERR : No conversation from 'string@&' to math type available

main (834,68) : ERR : No conversation from 'string@&' to math type available

main (834,3) : ERR : No matching signatures to 'AddDebugMessage(const int,const bool)'


I have already tried re-installing the mod and it still happens :<

Do you have justine installed?