Loss error

[monchhichizzq]

loading annotations into memory...
Done (t=0.02s)
creating index...
index created!
2020-08-03 10:24:10,579-INFO: 2501 samples in train set.
WARNING:tensorflow:Output yolo_loss_1 missing from loss dictionary. We assume this was done on purpose. The fit and evaluate APIs will not be expecting any data to be passed to yolo_loss_1.
2020-08-03 10:24:10,604-WARNING: Output yolo_loss_1 missing from loss dictionary. We assume this was done on purpose. The fit and evaluate APIs will not be expecting any data to be passed to yolo_loss_1.
WARNING:tensorflow:Output yolo_loss_2 missing from loss dictionary. We assume this was done on purpose. The fit and evaluate APIs will not be expecting any data to be passed to yolo_loss_2.
2020-08-03 10:24:10,604-WARNING: Output yolo_loss_2 missing from loss dictionary. We assume this was done on purpose. The fit and evaluate APIs will not be expecting any data to be passed to yolo_loss_2.
Traceback (most recent call last):
File "C:\Users\AI Lord.conda\envs\pytorch_lib\lib\site-packages\tensorflow_core\python\framework\ops.py", line 1619, in _create_c_op
c_op = c_api.TF_FinishOperation(op_desc)
tensorflow.python.framework.errors_impl.InvalidArgumentError: slice index -1 of dimension 0 out of bounds. for 'loss/yolo_loss_loss/strided_slice' (op: 'StridedSlice') with input shapes: [0], [1], [1], [1] and with computed input tensors: input[1] = <-1>, input[2] = <0>, input[3] = <1>.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "F:/Yolov4_资料/yolov4_test/train.py", line 360, in
model.compile(loss={'yolo_loss': lambda y_true, y_pred: y_pred}, optimizer=Adam(lr=cfg.lr))

请问这个错误怎么解决？不是很明白. 谢谢