Describe the question
A clear and concise description of what the question is.
您好,我参照example/ner/cross中的README.md进行配置,在进行到[Train]步骤时出现NotImplementedError报错,train.yaml文件与README.md中的一致
Environment (please complete the following information):
- OS: [Linux]
- Python Version [3.8]
Screenshots

Additional context
Describe the question
Environment (please complete the following information):
Screenshots

Additional context