PSL SNAPSHOT Help !!!!!!

Hi everyone :slight_smile:
This is my first thread here
I’m a 2D artist and surprisingly i found this Amazing python called PSL SNAPSHOT in this website
I installed but when i hit “Make snapshot as the video shows i get this Error " Error Making Snapshot”
am i doing something wrong?
by the way i’m useing Blender 2.78c

My blend file

Thank you in Advance :slight_smile:

See this: