ErrLookup › HumanSignal/label-studio
HumanSignal/label-studio
Label Studio is a multi-type data labeling and annotation tool with standardized output format · TypeScript · 1,869 source files
Analyzed at 0b49e9b539 on 2026-08-29. 189 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| transition_name: Transition is auto-triggered and cannot be… | validation | error | api, validation, fsm, transition |
| _stringify_detail(detail) | validation | error | api, serialization, validation, django |
| [assume: item["data"] = task root with values] | validation | warning | validation, task-import, label-studio |
| Wrong credentials for S3 | validation | error | s3, aws, credentials, serializer, validation |
| Prediction validation failed | validation | error | django, rest-framework, import, predictions, validation |
| No blobs found in / or prefix doesn't exist | exception | error | gcs, storage, validation, configuration |
| {'predictions': prediction_errors} | validation | error | django, predictions, import, validation, label-config |
| Can't deserialize tasks due to | validation | error | django, rest-framework, serialization, import, validation |
| [assume: item as is = task root with values] | validation | warning | validation, task-import, label-studio |
| transition_name: Unknown transition for this entity | validation | error | django, fsm, validation, api |
| detail | validation | error | validation, fsm, transition, api |
| " " key is expected in task data | validation | error | validation, missing-key, label-config |
| Debugging info is not available for s3 endpoints on domain | exception | warning | s3, security, endpoint, configuration, error-masking |
| Error getting current state | exception | error | database, state-manager, fsm, wrapped-error |
| Column name cannot contain | validation | error | django, validation, data-manager, columns, naming |
| {underlying connection validation error} | validation | error | cloud-storage, validation, connection, aws, azure, gcp |
| No state model found for | exception | error | fsm, registry, state-manager, django |
| data[' ']= is of type ' ', but the object tag expects the… | validation | error | validation, type-mismatch, label-config |
| extract_message(exc) | validation | error | api, serialization, validation, django |
| No state model found for | exception | error | fsm, registry, state-manager, django |
| Error validating annotation | validation | error | validation, serializer, annotations, label-studio |
| Created annotations are incompatible with provided labeling… | validation | error | label-studio, validation, labeling-config, annotations |
| extract_message(e) | validation | error | django, validation, network, error-wrapping, label-studio |
| No state model found for | exception | error | fsm, state-manager, registry, django |
| FSMStateField is read-only. Use transitions to change state. | exception | error | serializer, django, drf, read-only, fsm |
| annotation_ser.errors | validation | error | django, drf, validation, import |
| Failed to transition state | exception | error | database, state-manager, fsm, concurrency, wrapped-error |
| It seems access keys are incorrect | validation | error | s3, aws, credentials, typeerror, serializer |
| Serving local files from the host filesystem can be a… | validation | error | security, configuration, environment, local-storage |
| :// / not found. | validation | error | s3, aws, not-found, prefix, serializer |
| preannotated_fields | validation | error | django, rest-framework, pre-annotations, import, validation |
| Task is empty (None) | validation | error | validation, task-import, label-studio |
| Annotation must have "result" fields | validation | error | validation, task-import, annotations, rest-api |
| Google Application Credentials must be valid JSON string. | exception | error | gcs, google-cloud, credentials, configuration |
| Azure account name and key must be set using environment… | exception | error | azure, configuration, environment-variables, storage |
| Failed to parse JSON file | validation | error | json, parsing, streaming, data-import |
| Action is not allowed for the current user | validation | error | permissions, authorization, data-manager, label-studio |
| Absolute local path " " must be a subdirectory of… | validation | error | security, local-storage, validation, configuration |
| Failed to read file | exception | error | filesystem, io, permissions, sync |
| Absolute local path " " does not exist | validation | error | filesystem, local-storage, validation, configuration |
| Can't connect to Redis server. | validation | error | redis, network, connection, serializer |
| Can't parse task data | validation | error | json-parse, database, corrupted-data |
| Project is required for prediction validation | validation | error | serializer, prediction, validation, missing-field |
| There are annotation(s) created with tag " ", you can't… | validation | error | label-studio, validation, labeling-config, annotations |
| These labels still exist in annotations or drafts:\n | validation | error | label-studio, validation, labels, labeling-config |
| Not supported filter type | validation | error | django, validation, data-manager, filters |
| Maximum task number is | validation | error | django, validation, import-limit, label-studio |
| Please explicitly pass a redis db id to prevent… | exception | error | redis, configuration, missing-argument, validation |
| Task root must be dict with "data", "meta", "annotations"… | validation | error | validation, task-structure, type-mismatch |
| Unknown annotator's email | validation | error | django, import, completed-by, organization-members, unknown-email |
| load_tasks: No data found in DATA or in FILES | validation | error | django, rest-framework, import, request-body, content-type |
| You do not have permission to create storages for this… | http | error | permissions, drf, authorization, storage |
| File " " is not a JSON/JSONL/Parquet file. Only .json… | exception | error | storage, import, file-extension, sync |
| Incorrect format for prediction result | validation | error | prediction, validation, type-error, format |
| Maximum total size of all files is | validation | error | django, validation, file-size-limit, label-studio |
| User filter " " does not support operator " ". Allowed: . | validation | error | validation, filters, operators, django |
| Import data contains completed_by= | validation | error | django, import, completed-by, validation, type-mismatch |
| No state model registered for | exception | error | fsm, registry, state-manager, api |
| format is not converted yet | http | error | data-export, async-job, http-404, race-condition |
| _old_vs_new_data_keys_inconsistency_message(new_data_fields… | validation | error | data-import, schema-mismatch, reimport |
| Remove duplicates failed, operation is not finished… | validation | error | label-studio, data-manager, race-condition, validation |
| It's expected to have 'email' field in 'completed_by' data… | validation | error | django, import, annotations, completed-by, validation |
| contains invalid "task" field: task ID not found in project | validation | error | django, rest-framework, predictions, foreign-key, validation |
| Invalid SkipQueue value | validation | error | django, enum, data-integrity, validation |
| Project must be an integer. | validation | error | validation, query-params, hotkeys, http-400 |
| {connection validation error} | validation | error | azure, cloud-storage, validation, credentials, serializer |
| Each item in prediction result should be dict | validation | error | prediction, validation, format, serializer |
| Response is not list | exception | warning | api, storages, response-shape |
| Your label config has more than one data key and direct… | validation | error | label-config, data-import, validation |
| Project and View mismatch | validation | error | api, data-manager, parameter-validation, label-studio |
| When "FEATURE_FLAGS_FROM_FILE" is set, you have to specify… | exception | error | configuration, environment-variables, feature-flags, startup |
| Can't find Organization by welcome URL | exception | error | django, invite-link, url-parsing |
| Conversion to already started | validation | warning | data-export, duplicate-request, idempotency, async-job |
| Incorrect value in key | validation | error | validation, parameters, integer, request |
| Enter a valid value. | validation | error | django, validation, data-manager, columns, type-coercion |
| NotImplementedError | exception | error | not-implemented, storage, subclassing, abstract-method |
| Cannot filter on column | validation | error | validation, filters, django, orm, column-names |
| Error validating storage connection | validation | error | storage, cloud, validation, connectivity |
| Storage status ( ) must be QUEUED to move it IN_PROGRESS | exception | error | state-machine, storage, synchronization, concurrency |
| validate_connection is not implemented | exception | error | not-implemented, storage, subclassing, abstract-method |
| Validation failed on | validation | error | validation, label-config, jsonschema |
| `is any of` / `is none of` support Task ID, Inner ID… | validation | error | validation, filters, operators, data-manager |
| Can't import JSON-formatted tasks from | exception | error | storage, json, import, label-studio |
| exc.kwargs['report'] | validation | error | s3, aws, validation, serializer, bucket-name |
| SECURE_PROXY_SSL_HEADER must be configured as | exception | error | configuration, django, ssl, environment-variables |
| This task cannot be skipped. | validation | error | validation, annotations, business-rule, label-studio |
| annotation "result" field in annotation must be list | validation | error | annotation, validation, serializer, format |
| Failed to list storage files | validation | error | cloud-storage, network, timeout, storage, api |
| There are no tasks for | http | warning | label-studio, data-manager, not-found, queue |
| Export storage : annotation(s) failed to export | exception | error | storage, export, sync, cloud |
| Task[ ] must be | validation | error | validation, type-mismatch, task-structure |
| URL resolves to a reserved network address | exception | warning | network, security, ssrf, ip-address |
| Absolute local path " " cannot be the same as… | validation | error | security, local-storage, validation, configuration |
| load_tasks: Data root must be list | validation | error | django, validation, json-shape, import-format, label-studio |
| sample() does not accept arguments. | validation | error | label-studio, data-manager, validation, api |
| Wrong old label name, it is not from labeling config | validation | error | label-studio, validation, labeling-config, api |
| LOCK_PERMISSION_MESSAGE | validation | error | django, permissions, rest-framework, data-manager |
| Task is required to resolve URIs in data= | exception | error | storage, uri-resolution, missing-argument |
| validation_errors | validation | error | django, rest-framework, predictions, validation, feature-flag |
| extension is not supported | validation | error | django, validation, file-extension, label-studio |