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When I try to use koniq-10 for training, I encounter the problem that the loss is always 0.

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 How can i solve this problem

RuntimeError: Error(s) in loading state_dict for MPLUGOwl2LlamaForCausalLM: size mismatch for norm.weight: copying a param with shape torch.Size([768]) from checkpoint, the shape in current model is torch.Size([4096]). You may consider adding `ignore_mismatched_sizes=True` in the model `from_pretrained` method.

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RuntimeError: Error(s) in loading state_dict for MPLUGOwl2LlamaForCausalLM: size mismatch for norm.weight: copying a param with shape torch.Size([768]) from checkpoint, the shape in current model is torch.Size([4096]). How can i solve...