请问执行训练时出现一次样是什么意思呢?

[miwang881210]

[2022/08/06 01:18:05] ppocr WARNING: The pretrained params Student.head.sar_head.decoder.rnn_decoder.0.cell.bias_ih not in model [2022/08/06 01:18:05] ppocr WARNING: The pretrained params Student.head.sar_head.decoder.rnn_decoder.0.cell.bias_hh not in model [2022/08/06 01:18:05] ppocr WARNING: The pretrained params Student.head.sar_head.decoder.rnn_decoder.1.cell.weight_ih not in model [2022/08/06 01:18:05] ppocr WARNING: The pretrained params Student.head.sar_head.decoder.rnn_decoder.1.cell.weight_hh not in model [2022/08/06 01:18:05] ppocr WARNING: The pretrained params Student.head.sar_head.decoder.rnn_decoder.1.cell.bias_ih not in model [2022/08/06 01:18:05] ppocr WARNING: The pretrained params Student.head.sar_head.decoder.rnn_decoder.1.cell.bias_hh not in model [2022/08/06 01:18:05] ppocr WARNING: The pretrained params Student.head.sar_head.decoder.embedding.weight not in model [2022/08/06 01:18:05] ppocr WARNING: The pretrained params Student.head.sar_head.decoder.prediction.weight not in model
[2022/08/06 01:18:05] ppocr WARNING: The pretrained params Student.head.sar_head.decoder.prediction.bias not in model [2022/08/06 01:18:05] ppocr INFO: load pretrain successful from ./pretrain_models\ch_PP-OCRv3_rec_train\best_accuracy [2022/08/06 01:18:05] ppocr INFO: train dataloader has 2 iters [2022/08/06 01:18:05] ppocr INFO: valid dataloader has 2 iters [2022/08/06 01:18:05] ppocr INFO: During the training process, after the 0th iteration, an evaluation is run every 50 iterations Traceback (most recent call last): File "tools/train.py", line 188, in main(config, device, logger, vdl_writer) File "tools/train.py", line 163, in main eval_class, pre_best_model_dict, logger, vdl_writer, scaler) File "D:\Documents\Uibot\PaddleOCR-release-2.5\tools\program.py", line 285, in train post_result = post_process_class(preds, batch[1]) File "D:\Documents\Uibot\PaddleOCR-release-2.5\ppocr\postprocess\db_postprocess.py", line 219, in call results[k] = self.post_process(predicts[k], shape_list=shape_list) File "D:\Documents\Uibot\PaddleOCR-release-2.5\ppocr\postprocess\db_postprocess.py", line 181, in call src_h, src_w, ratio_h, ratio_w = shape_list[batch_index] ValueError: too many values to unpack (expected 4)