reflex-dev/reflex
Documented errors, page 3 of 3. Back to reflex-dev/reflex
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| OTP field `length` is required when passing children… | validation | error | reflex, otp-field, required-prop |
| deployment failed: HTTP | exception | error | reflex, hosting, deploy, http-error, gateway |
| Event handler received extra argument . | exception | error | reflex, event-handler, argument-error, typo |
| `@rx.memo` on ` ` must return `rx.Component` or… | exception | error | reflex, memo, type-annotation, return-type |
| Stylesheet file name cannot be empty | validation | error | reflex, stylesheets, path-validation, empty-path |
| could not upload the build | exception | error | network, upload, deployment, timeout, storage |
| ` ` only accepts keyword props. | exception | error | reflex, memo, positional-args, keyword-props, typeerror |
| Shade must be between | validation | error | reflex, color, range-validation |
| Config file not found at | validation | error | config, file-not-found, toml, reflex-hosting-cli |
| Frontend did not start | exception | critical | reflex, testing, app-harness, frontend, startup-timeout, npm |
| ` ` only accepts positional children that are… | exception | error | reflex, memo, children, typeerror, component-types |
| App was not initialized. | exception | error | reflex, testing, app-harness, asgi, lifecycle |
| Component must have a library to bundle. | exception | error | reflex, state, pickle, schema-version |
| _security_review_detail(ex.response) | exception | error | security-review, http-status-error, hosting, upload |
| Expected return type of | exception | error | reflex, type-annotation, operator-dispatch |
| OTP field `length` must be a positive integer. | validation | error | reflex, otp-field, value-error, validation |
| Backend is not listening. | exception | error | reflex, testing, app-harness, backend, socket, timeout |
| `@rx.memo` does not support `**kwargs` in | exception | error | reflex, memo, kwargs, signature, typeerror |
| The URL argument should start with a / | exception | error | reflex, download, url-validation |
| Upload event args must be a JSON object. | http | error | upload, json, http-400 |
| f"Config file not found at | validation | error | config, file-not-found, yaml, reflex-hosting-cli |
| Cannot determine dependencies in fetched state | exception | error | reflex, dependency-tracking, computed-var, state |
| DataEditor data must be an ArrayVar if rows is not provided. | validation | error | reflex, dataeditor, rows |
| Invalid event | exception | error | reflex, event-chain, validation |
| Provide a single child for DebounceInput, such as… | exception | error | reflex, debounce, component-children |
| Title must be a single string. | exception | error | metadata, title, children-validation |
| YAML support is not available. Please install PyYAML to use… | validation | error | dependencies, yaml, import-error, reflex-hosting-cli |
| Backend servers are not initialized. | exception | error | reflex, testing, app-harness, backend, uvicorn, timeout |
| IconButton requires a child icon. Pass a string as the… | validation | error | reflex, radix, icon-button, missing-argument |
| Invalid TOML file format at | validation | error | config, toml, missing-section, reflex-hosting-cli |
| The condition must be set | validation | error | reflex, match, missing-condition-expression |
| Missing boundary in multipart. | http | error | upload, multipart, content-type, boundary |
| Invalid event chain | exception | error | reflex, event-chain, validation |
| Serialized dataframe should be a dict. | validation | error | reflex, gridjs, serialization |
| Cached var cannot access arbitrary state via ` `. | exception | error | reflex, dependency-tracking, computed-var, encapsulation |
| Link without a child will not display | validation | error | reflex, radix, link, missing-children |
| Malformed upload event args. | http | error | upload, json, http-400 |
| Match cases should have the same return types. Case | exception | error | reflex, match, type-mismatch |
| Color is not a valid color. | exception | error | reflex, color, type-validation, serialization |
| Path does not exist: for | exception | error | environment, path, filesystem, validation |
| Cannot track dependencies without caching. | exception | error | reflex, computed-var, dependencies, cache |
| Event handler received multiple file upload arguments. | exception | error | reflex, file-upload, event-handler, argument-error |
| Event handler received repeated argument . | exception | error | reflex, event-handler, argument-error |
| The function passed to reduce should take exactly two… | exception | error | reflex, arrayvar, reduce, callback-signature |
| Alpha must be a boolean or a Var | validation | error | reflex, color, type-error |
| is not tracked in the current scope. | exception | error | reflex, dependency-tracking, computed-var, bytecode |
| No default value or factory provided. | exception | error | reflex, dynamic-routes, decorator, signature |
| The component ` ` can only be a child of the components: … | exception | warning | reflex, performance, state-size, serialization |
| A case tuple should have at least a match case element and… | validation | error | reflex, match, tuple-validation |
| The render function must return a component. | exception | error | reflex, foreach, render-function, return-type |
| Annotation of the computed var assigned to the data field… | validation | error | reflex, gridjs, computed-var, type-annotation |
| Invalid float value: for | exception | error | environment, float, validation, config |
| Match condition of case cannot be a component. | validation | error | reflex, match, component-misuse |
| The Content-Disposition header field "name" must be… | exception | error | upload, multipart, header-validation |
| Cannot serialize color that contains non-literal vars. | exception | error | reflex, color, serialization, literal |
| Expected first argument of | exception | error | reflex, type-annotation, operator-dispatch |
| cannot return a var . | exception | error | reflex, file-upload, var-misuse, lambda |
| Expected Var return type of | exception | error | reflex, type-annotation, generics |
| Color must be a string or a Var | validation | error | reflex, color, type-error |
| Return value must be a var or component | validation | error | reflex, match, var-conversion |
| Memo name collision for | exception | error | reflex, dynamic-routes, type-hints |
| Shade must be an integer or a Var | validation | error | reflex, color, type-error |
| Expected generic type of | exception | error | reflex, type-annotation, operator-dispatch |
| Must provide children to the html component. | validation | error | reflex, raw-html, component-children |
| Undefined library for NoSSRComponent | exception | error | reflex, state, deserialization, arguments |
| Invalid TOML file format at | validation | error | config, toml, format, reflex-hosting-cli |
| `@rx.memo` only supports `wrapper=` on component-returning… | exception | error | reflex, memo, wrapper, unsupported-argument |
| default_color_mode must be one of | exception | error | reflex, config, color-mode, validation |
| reflex.Config.plugins must contain Plugin instances, but got | exception | error | reflex, config, plugins, type-validation |
| f"Invalid size: . Available sizes | validation | error | reflex, number-field, size |
| DebounceInput child requires an on_change handler | validation | error | reflex, debounce, event-handler |
| f"Invalid variant: . Available variants | validation | error | reflex, button, variant |
| Annotation of the computed var assigned to the column field… | validation | error | reflex, gridjs, computed-var, type-annotation |
| column field should be specified when the data field is a… | validation | error | reflex, gridjs, columns |
| TOML support is not available. Please use Python 3.11 or… | validation | error | python-version, toml, import-error, reflex-hosting-cli |
| Cannot compare a datetime object with a non-datetime object. | exception | error | reflex, datetime, comparison, vars |
| Invalid data type for download. Use `str` or `bytes`. | exception | error | reflex, download, type-error |
| ComputedVarSignatureError(fget.__name__… | exception | error | reflex, computed-var, signature, inspection |
| Cannot combine `enter_key_submit` with `on_key_down`. | validation | error | reflex, textarea, event-conflict |
| cannot specify both default and default_factory | exception | error | reflex, props, dataclass, default-value |
| Function for already registered. | exception | error | reflex, operator-dispatch, duplicate-registration |
| Cannot pass in both a pandas dataframe and columns to the… | validation | error | reflex, dataeditor, dataframe |
| Cannot provide both URL and data to download. | exception | error | reflex, download, argument-error |
| The component ` ` only allows the components: as children… | exception | error | reflex, state, typeerror, key-type |
| Cannot pass in both a pandas dataframe and columns to the… | validation | error | reflex, gridjs, dataframe |