微调LLaVA报错

[njucckevin]

[rank1]: Traceback (most recent call last):
[rank1]:   File "/home/nfs04/chengkz/VL-RLHF/src/vlrlhf/dpo.py", line 146, in <module>
[rank1]:     dpo_trainer.train(resume_from_checkpoint=training_args.resume_from_checkpoint)
[rank1]:   File "/home/data_91_d/anaconda3/envs/chengkz_lvlm/lib/python3.10/site-packages/transformers/trainer.py", line 1885, in train
[rank1]:     return inner_training_loop(
[rank1]:   File "/home/data_91_d/anaconda3/envs/chengkz_lvlm/lib/python3.10/site-packages/transformers/trainer.py", line 2216, in _inner_training_loop
[rank1]:     tr_loss_step = self.training_step(model, inputs)
[rank1]:   File "/home/nfs04/chengkz/VL-RLHF/src/vlrlhf/base/trainer.py", line 305, in training_step
[rank1]:     loss_step = super().training_step(model, inputs)
[rank1]:   File "/home/data_91_d/anaconda3/envs/chengkz_lvlm/lib/python3.10/site-packages/transformers/trainer.py", line 3238, in training_step
[rank1]:     loss = self.compute_loss(model, inputs)
[rank1]:   File "/home/data_91_d/anaconda3/envs/chengkz_lvlm/lib/python3.10/site-packages/trl/trainer/dpo_trainer.py", line 1081, in compute_loss
[rank1]:     loss, metrics = self.get_batch_loss_metrics(model, inputs, train_eval="train")
[rank1]:   File "/home/data_91_d/anaconda3/envs/chengkz_lvlm/lib/python3.10/site-packages/trl/trainer/dpo_trainer.py", line 1022, in get_batch_loss_metrics
[rank1]:     ) = self.concatenated_forward(model, batch)
[rank1]:   File "/home/nfs04/chengkz/VL-RLHF/src/vlrlhf/models/Llava/__init__.py", line 502, in concatenated_forward
[rank1]:     pixel_values=concatenated_batch["pixel_values"],
[rank1]: KeyError: 'pixel_values'

请问这个报错该如何解决？