ValueError: can't optimize a non-leaf Tensor (param.is_leaf=False,param.retains_grad=False)

[liveck]

My model works fine with adamw_bnb_8bit.
When i switched to galore_adamw_8bit with 'all-linear',
an exception is raised 'can't optimize a non-leaf'

Seq2SeqTrainingArguments(
        output_dir = model_name_or_path,
        save_strategy = 'no',
        logging_steps = 100,
        bf16 = True if torch.cuda.is_available() else False,
        dataloader_pin_memory = True,
        dataloader_num_workers = 8,
        num_train_epochs = 1, #1, # 2,
        do_train=True,
        learning_rate = learning_rate, # 5e-5,
        # optim = 'adamw_bnb_8bit', 
        optim="galore_adamw_8bit_layerwise",
        optim_target_modules='all-linear',
        lr_scheduler_type = 'constant', # 'cosine', constant
        warmup_ratio = 0.,
        per_device_train_batch_size = batch_size, # 8,
        gradient_accumulation_steps = 1,
        report_to = 'none',
        do_eval=False,
        max_steps = max_steps,
        accelerator_config = {'dispatch_batches':False},
        **kwargs
    )