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Yolov5报错：
AssertionError: Label class 1 exceeds nc=1 in data/coco128.yaml. Possible class labels are 0-0
这个错别傻乎乎该nc之类的，细看代码出错位置，我这个是这样的
File “C:\Users\1\Desktop\水表识别\YOLO5\yolov5-master\train.py”, line 175, in train
assert mlc < nc, ‘Label class %g exceeds nc=%g in %s. Possible class labels are 0-%g’ % (mlc, nc, opt.data, nc - 1)
AssertionError: Label class 1 exceeds nc=1 in data/coco128.yaml. Possible class labels are 0-0
这样就找到train文件的175行：
assert mlc < nc, 'Label class %g exceeds nc=%g in %s. Possible class labels are 0-%g' % (mlc, nc, opt.data, nc - 1)
改成这样
#assert mlc < nc, 'Label class %g exceeds nc=%g in %s. Possible class labels are 0-%g' % (mlc, nc, opt.data, nc - 1)
即注销掉就可以了
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