# yolov4 custom object detection error during training

**URL:** <https://discuss.roboflow.com/t/yolov4-custom-object-detection-error-during-training/834>\
**Category:** 🤝  Community Help\
**Created:** [August 24, 2022, 8:26pm UTC](https://discuss.roboflow.com/t/yolov4-custom-object-detection-error-during-training/834 "2022-08-24T20:26:04Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Edd\_Mohamed](https://yyz1.discourse-cdn.com/flex029/user_avatar/discuss.roboflow.com/edd_mohamed/32/57_2.png) [@Edd\_Mohamed](https://discuss.roboflow.com/u/Edd_Mohamed)\
**Post date:** [August 24, 2022, 8:26pm UTC](https://discuss.roboflow.com/t/yolov4-custom-object-detection-error-during-training/834/1 "2022-08-24T20:26:05Z")

</div>

hello, i have received following error when i trained yolov4 Pytorch on custom dataset, any help would be greatly appreciated.

 ![image](https://canada1.discourse-cdn.com/flex029/uploads/roboflow1/original/1X/d142d0a70ad7dbd7fc477f1945d3e704d52f14f4.png)