So this has happened a few times after first rendering a sequence and changing view to render another:
Error: #<NoMethodError: undefined method include?' for nil:NilClass> c:/users/******/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_animator/animatordialogvideogeneration.rbe:668:in format_html_all'
c:/users//appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_animator/animatordialogvideogeneration.rbe:649:in prepare_html' c:/users/******/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_animator/animatordialogvideogeneration.rbe:418:in dialog_create'
c:/users//appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_animator/animatordialogvideogeneration.rbe:361:in dialog_invoke' c:/users/******/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_animator/animatortool.rbe:2205:in movie_dialog'
c:/users//appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_animator/animatortool.rbe:2175:in movie_clip_generation' c:/users/******/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_animator/animatorpalette.rbe:819:in block in palette_clip_name_duration_video'
c:/users//appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/body_lib6palette.rbe:3963:in call' c:/users/******/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/body_lib6palette.rbe:3963:in execute_button'
c:/users//appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/body_lib6palette.rbe:3765:in onLButtonUp' c:/users/******/appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_!libfredo6/lib6palette.rbe:91:in onLButtonUp'
c:/users//appdata/roaming/sketchup/sketchup 2018/sketchup/plugins/fredo6_animator/animatortool.rbe:1275:in `onLButtonUp'
https://i.ibb.co/jDpD82r/2018-12-19.png
Same as before; when I quit Sketchup the "Exit temporary to Sketchup" window have been hiding in the background.