stable diffusion sdxl train error

[CHK-0000]

(test) C:\DiffSynth-Studio\examples\train\stable_diffusion_xl>python train_sdxl_lora.py --pretrained_path models/stable_diffusion_xl/autismmixSDXL_autismmixConfetti.safetensors --dataset_path C:\DiffSynth-Studio\data\test --output_path ./models --max_epochs 1 --steps_per_epoch 500 --height 1024 --width 1024 --center_crop --precision "32" --learning_rate 1e-4 --lora_rank 4 --lora_alpha 4 --use_gradient_checkpointing
2024-11-01 14:08:11.631651: I tensorflow/core/util/port.cc:153] oneDNN custom operations are on. You may see slightly different numerical results due to floating-point round-off errors from different computation orders. To turn them off, set the environment variable TF_ENABLE_ONEDNN_OPTS=0.
2024-11-01 14:08:12.397738: I tensorflow/core/util/port.cc:153] oneDNN custom operations are on. You may see slightly different numerical results due to floating-point round-off errors from different computation orders. To turn them off, set the environment variable TF_ENABLE_ONEDNN_OPTS=0.
Loading models from: models/stable_diffusion_xl/autismmixSDXL_autismmixConfetti.safetensors
Traceback (most recent call last):
File "C:\DiffSynth-Studio\examples\train\stable_diffusion_xl\train_sdxl_lora.py", line 54, in
model = LightningModel(
File "C:\DiffSynth-Studio\examples\train\stable_diffusion_xl\train_sdxl_lora.py", line 17, in init
model_manager.load_models(pretrained_weights)
File "C:\Users\ksl10\anaconda3\envs\test\lib\site-packages\diffsynth\models\model_manager.py", line 508, in load_models
self.load_model(file_path, model_names)
File "C:\Users\ksl10\anaconda3\envs\test\lib\site-packages\diffsynth\models\model_manager.py", line 490, in load_model
if model_detector.match(file_path, state_dict):
File "C:\Users\ksl10\anaconda3\envs\test\lib\site-packages\diffsynth\models\model_manager.py", line 264, in match
if len(state_dict) == 0:
TypeError: object of type 'NoneType' has no len()