Error: ''NoneType' object has no attribute 'sd_checkpoint_info''

[Beyond21]

Hi friends,

I am trying to install and start deforum on my Mac , but I keep getting this error below, when I press generate in the deforum tab. any ideas how to solve it and proceed ?

START OF TRACEBACK
Traceback (most recent call last):
File "/Users/daniel/stable-diffusion-webui/extensions/deforum-for-automatic1111-webui/scripts/deforum_helpers/run_deforum.py", line 116, in run_deforum
render_animation(args, anim_args, video_args, parseq_args, loop_args, controlnet_args, root)
File "/Users/daniel/stable-diffusion-webui/extensions/deforum-for-automatic1111-webui/scripts/deforum_helpers/render.py", line 96, in render_animation
save_settings_from_animation_run(args, anim_args, parseq_args, loop_args, controlnet_args, video_args, root)
File "/Users/daniel/stable-diffusion-webui/extensions/deforum-for-automatic1111-webui/scripts/deforum_helpers/settings.py", line 74, in save_settings_from_animation_run
s["sd_model_name"] = sh.sd_model.sd_checkpoint_info.name
AttributeError: 'NoneType' object has no attribute 'sd_checkpoint_info'
END OF TRACEBACK

User friendly error message:
Error: 'NoneType' object has no attribute 'sd_checkpoint_info'. Please, check your schedules/ init values.