AssertionError: Could not recognize scene type!

[hxj2580]

python gaussian_splatting/train.py -s dog_7000.ply --iterations 7000 -m out

get error:
Optimizing out
Output folder: out [27/04 17:19:20]
Tensorboard not available: not logging progress [27/04 17:19:20]
Traceback (most recent call last):
File "/home/ubuntu/hxj/SuGaR-main/gaussian_splatting/train.py", line 219, in
training(lp.extract(args), op.extract(args), pp.extract(args), args.test_iterations, args.save_iterations, args.checkpoint_iterations, args.start_checkpoint, args.debug_from)
File "/home/ubuntu/hxj/SuGaR-main/gaussian_splatting/train.py", line 35, in training
scene = Scene(dataset, gaussians)
File "/home/ubuntu/hxj/SuGaR-main/gaussian_splatting/scene/init.py", line 49, in init
assert False, "Could not recognize scene type!"
AssertionError: Could not recognize scene type!

[interqhq]

same error ~

[NovaworksDevs]

same here, any solution?