roboflow/supervision

Documented errors, page 2 of 4. Back to roboflow/supervision

Code / Message	Type	Severity	Tags
unreadable attribute	exception	error	attributes, descriptor, metaprogramming
Duplicate image basename	validation	error	labelme, dataset, duplicate, annotation-format
mask must be boolean	validation	error	masks, dtype, typeerror, opencv
` ` has shape ; expected (N, 8) for flat YOLO format or (N…	validation	error	shape-validation, oriented-boxes, iou, numpy, detection
Resize dimensions must be positive	validation	error	opencv-fallback, resize, input-validation, numpy
SAM segmentations must all be dense arrays or COCO RLE…	validation	error	sam, segmentation, rle, type, from-sam
Malformed compressed RLE string: unexpected end at position	validation	error	rle, decoding, data-corruption, truncation
Only class instances are supported, not classes.	validation	error	introspection, validation, api-misuse
Callback must return `list[Detections]` when `batch_size >…	validation	error	inference-slicer, batching, callback-contract, valueerror
Image paths are not unique across datasets.	validation	error	dataset, merge, duplicates, validation
Detection area metadata must be shaped (N,) and aligned…	validation	error	metrics, object-size, data-alignment, validation
epsilon_step must be positive.	validation	error	polygons, validation, douglas-peucker, valueerror
F1Score metric requires `confidence` on predictions.	validation	error	metrics, f1-score, validation, confidence
The number of labels	validation	error	annotators, validation, detections, labels
`metrics` extra is required to run the function. Run `uv…	exception	error	metrics, import, optional-dependency, pandas, environment
prepared URL is empty	validation	error	url, download, validation, none-check
Malformed CreateML annotation entry (missing or non-string…	validation	error	createml, dataset-load, schema, data-quality
class_id must be 1d np.ndarray with (n, ) shape	validation	error	classifications, numpy, shape-mismatch, constructor
KeyPoints detection_confidence must be given for NMS to be…	validation	error	keypoints, nms, confidence, validation
COCO RLE counts exceed int32 range.	validation	error	coco, rle, compact-mask, overflow, int32
Invalid characters in color hash	validation	error	color, validation, hex, drawing
LabelMe shape of type	validation	error	labelme, dataset, json, shape
Only unshifted drawing coordinates are supported	validation	error	cv2-fallback, drawing, fixed-point, pillow
VideoWriter_fourcc requires exactly four characters	validation	error	opencv-fallback, video-writer, fourcc, argument-unpacking
'class_id' has entries but detections has - the two must…	validation	error	annotators, labels, alignment
Unsupported data type for key	validation	error	detections, data-dict, indexing, typeerror
Conflicting metadata for key	validation	error	detections, metadata, merge, conflict
Detections must have class_id attribute.	validation	error	dataset, class-id, detections, validation
max_line_length must be a positive integer	validation	error	annotators, validation, text-wrapping, configuration
All or none of the ' ' fields must be None	validation	error	keypoints, merge, validation, optional-fields
Either absolute_distance or relative_distance must be set.	validation	error	masks, required-argument, validation
First dimension of np.ndarray for key	validation	error	detections, numpy, shape-mismatch, data-dict
Border sizes must be non-negative	validation	error	cv2-fallback, padding, validation, arithmetic-bug
Class not found in target classes. source_classes must be a…	validation	error	dataset, class-mapping, merge, validation
Detections class_id must be an integer for Pascal VOC…	validation	error	pascal-voc, dtype, class-id, dataset-export
All KeyPoints must have the same number of keypoints per…	validation	error	metrics, f1-score, masks, segmentation
A LabelMe annotation file is missing the required…	validation	error	labelme, dataset, json, annotation-format
Only BORDER_CONSTANT is supported by the fallback	validation	error	cv2-fallback, padding, border, unsupported-operation
addWeighted fallback only supports the default output…	validation	error	cv2-fallback, blending, dtype, unsupported-operation
Invalid type for 'lmm	validation	error	vlm, lmm, dispatch, type, deprecated
Oriented bounding boxes must be shaped (N, 4, 2)	validation	error	metrics, object-size, obb, shape-validation
Scale factor must be positive.	validation	error	image, scale, validation, argument-error
The magnitude of the vector cannot be zero.	validation	error	line-zone, geometry, validation
`overlap_wh` must be smaller than `slice_wh` in both…	validation	error	inference-slicer, overlap, tiling, validation, valueerror
class_id at detection index is out of range for classes…	validation	error	labelme, export, class-id, validation
Contours must have shape (N, 2) or (N, 1, 2)	validation	error	opencv-fallback, contours, shape-mismatch, numpy
Merging lazy and in-memory DetectionDatasets is not…	validation	error	dataset, merge, lazy-loading, api-migration
Detections class_id must be given for	validation	error	nms, class-id, class-agnostic, detections
Error: Couldn't load the icon image from	exception	error	filesystem, annotators, icons
F1Score metric requires `class_id` on both predictions and…	validation	error	metrics, f1-score, validation, class-id
2D boolean mask row count	validation	error	metrics, f1-score, metric-target, defensive-code
Unsupported index type	validation	error	detections, indexing, typeerror, numpy
image_shape exceeds the maximum allowed dimension of pixels…	validation	error	compact-mask, coco, rle, limits, image-shape
RLE size must match image_shape .	validation	error	coco, rle, compact-mask, resolution-mismatch, image-shape
All metadata dictionaries must have the same keys to merge.	validation	error	detections, metadata, merge, validation
roundness attribute must be float between (0, 1.0]	validation	error	annotators, validation, configuration
All data values within a single object must have equal…	validation	error	detections, data-dict, merge, validation
Cannot filter keypoints with a 2D boolean mask where rows…	validation	error	metrics, f1-score, input-validation, batch-evaluation
Missing polygon coordinate value in Pascal VOC.	validation	error	pascal-voc, dataset, polygon, xml
URL authority contains a backslash	validation	error	url, security, ssrf, validation, windows
Video writer is not open	exception	error	opencv-fallback, pyav, video-writer, lifecycle, error-deferred
Unsupported VLM value	validation	error	vlm, detections, enum, api-contract, dispatch
Input mask cannot be empty	validation	error	rle, mask, empty-input, validation
KeyPoints class_id must be given for NMS to be executed. If…	validation	error	keypoints, nms, class-id, validation
Malformed CreateML annotation entry	validation	error	createml, dataset-load, schema, coordinates
Image path (' ') does not exist.	exception	error	drawing, file-io, path, file-not-found
Missing bndbox in Pascal VOC annotation.	validation	error	pascal-voc, dataset, xml, annotation-format
Only OpenCV's default blur border is supported	validation	error	opencv-fallback, blur, border-type, unsupported-feature
The provided detections do not contain confidence values…	validation	error	annotators, validation, detections
The `tracker_id` field is missing in the provided…	validation	error	tracking, annotators, trace
The sum of COCO RLE counts must match the image area.	validation	error	coco, rle, compact-mask, corrupt-data, validation
Object of type is not JSON serializable	validation	error	json-sink, serialization, numpy, typeerror, telemetry
No edges defined for class_id=	validation	error	metrics, precision, confidence, input-validation
Invalid VLM result type	validation	error	vlm, florence-2, type, from-vlm, post-process
sigma must contain at least one value	validation	error	validation, color, rgb, range, valueerror
corners must have shape (N, 4, 2); got	validation	error	oriented-bounding-box, numpy, shape-validation, valueerror
Downloaded asset failed MD5 verification.	validation	error	assets, download, md5, network, integrity
Image must have 3 or 4 channels.	validation	error	drawing, image, shape-validation, opencv
The length of custom_values must match the number of…	validation	error	annotators, alignment, validation
BGR/RGB conversion requires a three-channel image	validation	error	cv2-fallback, color-conversion, channels, shape-validation
`overlap_wh` must be a non negative integer. Received	validation	error	inference-slicer, validation, configuration, valueerror
Requested frames are outbound	exception	error	video, opencv, bounds-check
2D boolean mask column count	validation	error	metrics, f1-score, metric-target, defensive-code
Expected covariance shape	validation	error	validation, color-palette, empty-list, valueerror
COCO RLE counts must be non-negative.	validation	error	coco, rle, compact-mask, corrupt-data, validation
Could not decode image path	exception	error	drawing, image-decode, opencv, file-io
Incorrect connectivity value. Possible connectivity values…	validation	error	masks, connectivity, opencv, validation
`is_crowd` length ( ) must match `boxes_true` length ( ).	validation	error	iou, evaluation, shape-mismatch, validation
Bounding boxes must be shaped (N, 4)	validation	error	metrics, object-size, shape-validation, numpy
COCO annotation refers to image	validation	error	coco, dataset-load, path-traversal, security
COCO RLE counts cannot be empty.	validation	error	coco, rle, compact-mask, empty-input, validation
color length ( ) must match sigma length ( )	validation	error	validation, color, bgra, alpha, opencv, range, valueerror
Unsupported color conversion code	validation	error	cv2-fallback, color-conversion, unsupported-operation
custom_values must be either a numpy array or a list of…	validation	error	annotators, type-error, validation
COCO annotation refers to image	validation	error	coco, dataset-load, path-validation, corruption
Triggering anchors cannot be empty.	validation	error	polygon-zone, anchors, validation, valueerror
Could not aggregate images shape - provided unknown mode	validation	error	image, tiles, enum, argument-error
Azure API returned an error	validation	error	azure, api, auth, network, vision
Invalid URL : no host supplied.	validation	error	url, download, validation, hostname
pixel_size must be >= 1, got	validation	error	annotators, pixelate, validation