NLP自学习平台在训练文本实体抽取的模型时训练失败了，训练日志报错是这样，怎么解决？

NLP自学习平台在训练文本实体抽取的模型时训练失败了，训练日志报错是这样，怎么解决？
AssertionError
{\"method\":\"train\",\"upload_data\":{\"model_file\":\"oss://nlp-automl-public/1/online/NLP_ner_lstmcrf/32805/testmodel/1/model/1_NLP_ner_lstmcrf_testmodel_1.tar.gz\",\"metric_file\":\"oss://nlp-automl-public/1/online/NLP_ner_lstmcrf/32805/testmodel/1/metrics/1_NLP_ner_lstmcrf_testmodel_1.json\"},\"algo_params\":{\"model_info\":{\"re_train\":false,\"num_gpus\":1,\"type\":\"NLP_ner_lstmcrf\"},\"super_model_params\":{\"auto_select\":true,\"semi_supervised_model\":\"self_training\",\"data_augmentation\":false},\"hyper_params\":{\"lr\":0.0005,\"epochs\":30}},\"download_data\":{\"resource_file\":\"oss://nlp-automl-public/1/online/NLP_dialog_classification/dialoghan/resource/embd300_resource.zip\",\"train_file\":\"oss://nlp-automl-public/1/online/NLP_ner_lstmcrf/32805/testmodel/1/data/oss-498b04c6-c31b-4c49-8df8-ca9e7855c9fd\"}}
"}