not able to test on LaSOT dataset

[CassandraClare]

I am getting the following error:

Traceback (most recent call last):
File "/content/SiamCAR/tools/test.py", line 126, in
main()
File "/content/SiamCAR/tools/test.py", line 60, in main
model = load_pretrain(model, args.snapshot).cuda().eval()
File "/content/SiamCAR/tools/pysot/utils/model_load.py", line 69, in load_pretrain
model.load_state_dict(pretrained_dict, strict=False)
File "/usr/local/lib/python3.9/dist-packages/torch/nn/modules/module.py", line 1671, in load_state_dict
raise RuntimeError('Error(s) in loading state_dict for {}:\n\t{}'.format(
RuntimeError: Error(s) in loading state_dict for ModelBuilder:
size mismatch for down.weight: copying a param with shape torch.Size([256, 768, 1, 1]) from checkpoint, the shape in current model is torch.Size([768, 256, 1, 1]).

Please help.