ErrLookup › leptos-rs/leptos
leptos-rs/leptos
Build fast web applications with Rust. · Rust · 386 source files
Analyzed at 32d20f6c9d on 2026-09-01. 97 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| there to be a element | panic | error | leptos, wasm, dom, hydration |
| async route used in SSR | panic | critical | ssr, async-route, router, leptos |
| could not create futures executor ThreadPool | panic | critical | rust, thread-pool, executor-init, resource-exhaustion |
| couldn't serialize island props | panic | error | islands, serialization, serde, macro, panic |
| failed to spawn future on ThreadPool | panic | critical | rust, thread-pool, spawn-failure, panic |
| [HOT RELOADING] Unmatched action | console | warning | hot-reload, version-mismatch, leptos |
| expected context of type to be present | panic | error | leptos, reactive-graph, context, provider-missing, panic |
| InertElement does not support adding attributes. It should… | panic | error | ssr, html-rendering, static-elements |
| internal error: entered unreachable code | panic | error | panic, reactivity, inner-html, leptos, tachys |
| could not deserialize props | panic | error | hydration, islands, serde, deserialization, panic |
| Tried to access a reactive value that has already been… | panic | critical | leptos, reactive-graph, disposed-signal, use-after-dispose, panic |
| Failed to create HeaderValue | panic | error | rust, actix, http-headers, redirect, panic |
| no shared context | panic | error | leptos, ssr, suspense, reactive-owner |
| List of slots must not be empty | panic | error | view-macro, slots, compile-time, macro, panic |
| could not find key for index | panic | error | leptos, reactive-stores, store-key, internal-state, panic |
| failed to read hash file | panic | error | rust, filesystem, leptos, assets, ssr |
| InsertChildAfter could not build children. | console | warning | hot-reload, dom-patching, leptos |
| At , you call `to_server_error()` or use `server_fn_error!`… | panic | error | leptos, server-fn, server-fn-error, trait-bounds, panic |
| [HOT RELOADING] Could not find replacement node at | console | warning | hot-reload, dom-patching, leptos |
| failed to spawn local future | panic | error | rust, local-pool, spawn-local, panic |
| rendering B to HTML without filling it | panic | error | ssr, html-rendering, either-view, panic, tachys |
| Expected a [number, string] tuple | panic | error | rust, wasm, hydration, serialization, ssr |
| [HOT RELOADING] Building children, encountered | console | info | hot-reload, dom-walker, leptos |
| element needs to have a name | panic | error | leptos, proc-macro, compile-time, view-macro |
| [HOT RELOADING] Child at | console | warning | hot-reload, dom-patching, path-resolution |
| lock poisoned | panic | error | rust, concurrency, rwlock, poisoning, leptos |
| Executor::spawn called, but no global 'spawn' function is… | panic | critical | wasm, async, executor, spawner, panic |
| couldn't parse boundary | panic | error | http, multipart, panic |
| keyword argument repeated: `encoding` | validation | error | rust, proc-macro, compile-time, server-fn |
| Unrecoverable hydration error. Please read the error… | panic | critical | hydration, ssr, dom-mismatch |
| async routes not supported in SSR | panic | critical | ssr, async-route, router, leptos |
| children should not be removed until we render here | panic | error | leptos, ssr, suspense, lifecycle |
| TEMPLATE FAILURE | panic | error | const-eval, compile-time, utf-8, template |
| At , tried to spawn a Future with Executor::spawn() before… | panic | critical | async, executor, debug, panic, initialization |
| missing element | panic | error | leptos, meta, dom, hydration |
| `encoding` and `input` should not both be specified | validation | error | rust, proc-macro, compile-time, server-fn, mutually-exclusive-args |
| you are using leptos_meta without a </head> tag | panic | error | leptos, ssr, meta, html-template |
| B was not present | panic | error | client-side, unmount, either-view, panic, lifecycle |
| expected string literal | validation | error | rust, proc-macro, parse-error, positional-argument |
| no `finished` property on ViewTransition | panic | error | browser-api, view-transitions, wasm, leptos |
| SVG element creation to work | panic | error | leptos, dom, svg, portal |
| anchor is not a child of the parent | panic | error | mock-dom, testing, panic |
| body to exist | panic | error | leptos, dom, portal, ssr |
| should serialize string | panic | info | rust, serde, tests, oco |
| [HOT RELOADING] Error: | console | warning | hot-reload, javascript, uncaught-exception |
| Failed to find the route | panic | error | routing, axum, ssr, server, panic |
| lazy routes should not be used with hydrate_body(); use… | panic | error | leptos, leptos-router, hydration, lazy-routes, code-splitting |
| expected named struct fields | panic | error | macro, server-functions, compile-time, derive |
| <Outlet/> used without RouteContext being provided. | panic | error | router-context, outlet, leptos |
| no current reactive Owner found | panic | error | leptos, reactive-owner, context, panics |
| Static routes are not currently supported on WASM32 server… | panic | error | wasm32, ssr, static-routes, axum, feature-flags |
| incorrect element type | panic | error | dom, events, type-cast, panic |
| Valid text format type with utf-8 comptabile string | panic | error | encoding, utf8, panic |
| event.target not found | panic | error | dom, events, panic |
| should deserialize from string | panic | info | rust, serde, tests, oco |
| keyword argument repeated: `impl_from` | validation | error | rust, proc-macro, compile-time, server-fn |
| Executor::spawn_local called, but no global 'spawn_local'… | panic | critical | wasm, async, executor, spawn-local, panic |
| tried to remove a parentless node | panic | error | dom, mock-dom, panic, renderer, detached-node |
| At , tried to spawn a Future with Executor::spawn_local()… | panic | critical | async, executor, spawn-local, debug, panic |
| Reading from a LocalResource outside Suspense in `ssr` mode… | panic | error | rust, ssr, local-resource, suspense, panic |
| keyword argument repeated: `impl_deref` | validation | error | rust, proc-macro, parse-error, duplicate-argument |
| rendering A to HTML without filling it | panic | error | ssr, html-rendering, either-view, panic, tachys |
| You cannot use Suspend on an attribute outside Suspense | panic | error | ssr, suspense, async-attribute |
| Encoding not found. | validation | error | rust, proc-macro, encoding, invalid-value |
| there to be a element | panic | error | leptos, wasm, dom, browser |
| no reactive owner | panic | error | reactive, owner, ssr, panic |
| Unsupported server function HTTP method | panic | critical | rust, axum, server-functions, routing, panic |
| `encoding` and `output` should not both be specified | validation | error | rust, proc-macro, compile-time, server-fn, mutually-exclusive-args |
| could not read manifest file | panic | error | leptos, hydration, json, serde |
| keyword argument repeated: `input` | validation | error | rust, proc-macro, compile-time, server-fn |
| at , the `sandboxed-arenas` feature is active, but no Arena… | panic | error | rust, reactive-graph, arena, feature-flag, panic |
| If you use keyword arguments (e.g., `name` = Something)… | validation | error | rust, proc-macro, parse-error, argument-style-mixing |
| {} | panic | error | rust, config, env, panic, parsing |
| should not be used with nested routes. | panic | error | leptos, leptos-router, flat-routes, nested-routes, panic |
| called `unwrap_ ()` on a non-` ` variant of | panic | error | enum, unwrap, panic, view |
| Unrecognized #[server] attribute, expected… | validation | error | rust, proc-macro, attribute, field-attribute |
| A was not present | panic | error | client-side, unmount, either-view, panic, lifecycle |
| You are rendering AnyView to HTML without the `ssr` feature… | panic | error | ssr, feature-flags, anyview |
| could not find parent element | panic | error | dom, mounting, panic |
| keyword argument repeated: `custom` | validation | error | rust, proc-macro, compile-time, server-fn |
| placeholder parent should be Element | panic | error | dom, mounting, panic |
| Unrecognized attribute, expected #[server(...)] | validation | error | rust, proc-macro, attribute, unsupported-attribute |
| cannot use receiver types in server function macro | validation | error | rust, proc-macro, receiver, unsupported-target |
| HTML element creation to work | panic | error | leptos, dom, portal |
| unexpected extra argument | validation | error | rust, proc-macro, parse-error, too-many-arguments |
| keyword argument repeated: `client` | validation | error | rust, proc-macro, compile-time, server-fn |
| use_matched called outside a matched Route | panic | error | react-hooks, router-context, leptos |
| You cannot call `use_navigate` outside a | panic | error | react-hooks, router-context, navigation, leptos |
| keyword argument repeated: `endpoint` | validation | error | rust, proc-macro, compile-time, server-fn |
| keyword argument repeated: `server` | validation | error | rust, proc-macro, compile-time, server-fn |
| keyword argument repeated: `output` | validation | error | rust, proc-macro, compile-time, server-fn |
| tried to use <A/> outside a <Router/>. | panic | error | router-context, component, leptos |
| keyword argument repeated: `protocol` | validation | error | rust, proc-macro, parse-error, duplicate-argument |
| queueMicrotask not available | panic | error | wasm, browser, polyfill, panic |
| Tried to access Location outside a | panic | error | react-hooks, router-context, leptos |
| positional argument follows keyword argument | validation | error | rust, proc-macro, parse-error, duplicate-argument |
| called use_resolved_path outside a | panic | error | react-hooks, router-context, leptos |