Siemens：解决 “STEP 7 Professional 的许可无法彻底完成” 问题

Liberty812: Traceback (most recent call last): File "D:\Pycharm\Pycharm\fruit.py", line 276, in paddle.save(model.state_dict(), train_parameters["checkpoints"] + "/" + "save_dir_final.pdparams") File "C:\Users\hzx\AppData\Local\Programs\Python\Python310\lib\site-packages\paddle\framework\io.py", line 816, in save _pickle_save(obj, f, protocol) File "C:\Users\hzx\AppData\Local\Programs\Python\Python310\lib\site-packages\paddle\framework\io.py", line 348, in _pickle_save pickler.dump(obj) TypeError: cannot pickle 'paddle.fluid.libpaddle.BlockDesc' object 请问这个错误怎么解决