KeyError: 'loss_cls'

[Feeeeeel]

when i run the command：python tools/train.py configs/visdrone_step1_base.py it got an error：

11/17 14:19:53 - mmengine - INFO - Iter(train) [ 450/80000] lr: 8.9990e-03 eta: 17:22:39 time: 0.7945 data_time: 0.0204 memory: 17784 loss: 0.9282 sup_loss_rpn_cls: 0.2866 sup_loss_rpn_bbox: 0.0894 sup_loss_cls: 0.3180 sup_acc: 95.3125 sup_loss_bbox: 0.1006 unsup_loss_rpn_cls: 0.0831 unsup_loss_rpn_bbox: 0.0000 unsup_loss_cls: 0.0505 unsup_acc: 100.0000 unsup_loss_bbox: 0.0000 File "tools/train.py", line 122, in main() File "tools/train.py", line 118, in main runner.train() File "/home/zwh/.conda/envs/castdet/lib/python3.8/site-packages/mmengine/runner/runner.py", line 1777, in train model = self.train_loop.run() # type: ignore File "/home/zwh/.conda/envs/castdet/lib/python3.8/site-packages/mmengine/runner/loops.py", line 289, in run self.run_iter(data_batch) File "/home/zwh/.conda/envs/castdet/lib/python3.8/site-packages/mmengine/runner/loops.py", line 313, in run_iter outputs = self.runner.model.train_step( File "/home/zwh/.conda/envs/castdet/lib/python3.8/site-packages/mmengine/model/base_model/base_model.py", line 114, in train_step losses = self._run_forward(data, mode='loss') # type: ignore File "/home/zwh/.conda/envs/castdet/lib/python3.8/site-packages/mmengine/model/base_model/base_model.py", line 361, in _run_forward results = self(*data, mode=mode) File "/home/zwh/.conda/envs/castdet/lib/python3.8/site-packages/torch/nn/modules/module.py", line 1130, in _call_impl return forward_call(input, kwargs) File "/home/zwh/.conda/envs/castdet/lib/python3.8/site-packages/mmdet/models/detectors/base.py", line 92, in forward return self.loss(inputs, data_samples) File "/home/zwh/.conda/envs/castdet/lib/python3.8/site-packages/mmdet/models/detectors/semi_base.py", line 87, in loss losses.update(self.loss_by_pseudo_instances( File "/home/zwh/.conda/envs/castdet/lib/python3.8/site-packages/mmdet/models/detectors/soft_teacher.py", line 78, in loss_by_pseudo_instances losses.update(*self.rcnn_cls_loss_by_pseudo_instances( File "/home/zwh/.conda/envs/castdet/lib/python3.8/site-packages/mmdet/models/detectors/soft_teacher.py", line 255, in rcnn_cls_loss_by_pseudo_instances losses['loss_cls'] = losses['loss_cls'] len( KeyError: 'loss_cls'

Can you solve this problem？Thanks！