ErrLookup › ultralytics/yolov5
ultralytics/yolov5
Ultralytics YOLOv5 in PyTorch for object detection, instance segmentation, classification, training, and export. · Python · 49 source files
Analyzed at 20d1d78a08 on 2026-08-15. 27 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| --model {opt.model} not found. Available models are: \n | exception | error | classification, model-loading, cli, typo |
| Source path '{source}' does not exist | exception | error | inference, source-path, filesystem, cli |
| failed to load ONNX file: {onnx} | exception | error | export, tensorrt, onnx, version-mismatch |
| {e}. Cache may be out of date, try `force_reload=True` or se | exception | error | torch-hub, cache, model-loading, network |
| TensorRT engine deserialization failed. Re-export the engine | exception | error | tensorrt, inference, version-mismatch, deployment |
| ERROR: YOLOv5 TF.js inference is not supported | exception | error | tfjs, inference, unsupported-format, export |
| Invalid model path {w}. Provide model directory or a .pdipar | exception | error | paddle, inference, model-path, unsupported-format |
| Model files not found in {w}. Both .json and .pdiparams file | exception | error | paddle, inference, missing-files, model-path |
| ERROR: {w} is not a supported format | exception | error | inference, unsupported-format, model-path |
| Could not resolve hostname '{hostname}': {e} | exception | error | network, dns, download, ssrf |
| Blocked request to internal address: {addr} | exception | error | security, ssrf, network, download |
| Too many redirects while fetching {url} | exception | error | network, redirects, download, http |
| no matching TensorFlow activation found for PyTorch activati | exception | error | export, tensorflow, activations, custom-model |
| --task {opt.task} not in ("train", "val", "test", "speed", " | exception | error | segmentation, validation, cli, arguments |
| {p} does not exist | exception | error | inference, dataloaders, filesystem, source-path |
| {prefix}{p} does not exist | exception | error | dataloaders, dataset, training, filesystem |
| {prefix}Error loading data from {path}: {e}\n{HELP_URL} | exception | error | dataloaders, dataset, training, error-wrapping |
| Dataset not found ❌ | exception | error | dataset, training, download, config |
| More than one yaml file was found in the dataset root, canno | exception | error | clearml, dataset, config, ambiguity |
| No yaml definition found in dataset root path, check that th | exception | error | clearml, dataset, config, missing-files |
| Invalid 'names' field in dataset yaml file. Please use a lis | exception | error | comet, dataset, yaml, metadata, resume, mlflow-logger |
| "len of masks shape" should be 2 or 3, but got {len(masks.sh | exception | error | segmentation, masks, numpy, postprocessing, shape-validation |
| Optimizer {name} not implemented. | exception | error | optimizer, training, cli-args, torch |
| No inputs provided. | exception | error | triton, inference, client, input-validation |
| Cannot specify args and kwargs at the same time | exception | error | triton, inference, client, api-misuse |
| Expected {len(placeholders)} inputs, got {args_len}. | exception | error | triton, inference, client, input-validation, model-config |
| --task {opt.task} not in ("train", "val", "test", "speed", " | exception | error | validation, cli-args, task, val |