{"record":{"id":"87e405dafc29e8f1","repo":"remotion-dev/remotion","slug":"tried-to-enable-the-buffering-state-but-a-remotio","errorCode":null,"errorMessage":"Tried to enable the buffering state, but a Remotion context was not found. This API can only be called in a component that was passed to the Remotion Player or a <Composition>. Or you might have experienced a version mismatch - run `npx remotion versions` and ensure all packages have the same version. This error is thrown by the buffer state https://remotion.dev/docs/player/buffer-state","messagePattern":"Tried to enable the buffering state, but a Remotion context was not found\\. This API can only be called in a component that was passed to the Remotion Player or a <Composition>\\. Or you might have experienced a version mismatch - run `npx remotion versions` and ensure all packages have the same version\\. This error is thrown by the buffer state https://remotion\\.dev/docs/player/buffer-state","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/core/src/use-buffer-state.ts","lineNumber":26,"sourceCode":"};\n\nexport type UseBufferState = {\n\tdelayPlayback: () => DelayPlaybackHandle;\n};\n\nexport const useBufferState = (): UseBufferState => {\n\tconst buffer = useContext(BufferingContextReact);\n\tconst logLevel = useLogLevel();\n\n\t// Allows <Img> tag to be rendered without a context\n\t// https://github.com/remotion-dev/remotion/issues/4007\n\tconst addBlock = buffer ? buffer.addBlock : null;\n\n\treturn useMemo(\n\t\t() => ({\n\t\t\tdelayPlayback: () => {\n\t\t\t\tif (!addBlock) {\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t'Tried to enable the buffering state, but a Remotion context was not found. This API can only be called in a component that was passed to the Remotion Player or a <Composition>. Or you might have experienced a version mismatch - run `npx remotion versions` and ensure all packages have the same version. This error is thrown by the buffer state https://remotion.dev/docs/player/buffer-state',\n\t\t\t\t\t);\n\t\t\t\t}\n\n\t\t\t\tLog.trace(\n\t\t\t\t\t{logLevel, tag: '[buffer-state]'},\n\t\t\t\t\t'Adding buffer handle',\n\t\t\t\t\tnew Error().stack,\n\t\t\t\t);\n\n\t\t\t\tconst {unblock} = addBlock({\n\t\t\t\t\tid: String(Math.random()),\n\t\t\t\t});\n\n\t\t\t\tlet unblocked = false;\n\n\t\t\t\treturn {\n\t\t\t\t\tunblock: () => {","sourceCodeStart":8,"sourceCodeEnd":44,"githubUrl":"https://github.com/remotion-dev/remotion/blob/78fe4bb3fdb5a2cd68724393d63cb223db333fa7/packages/core/src/use-buffer-state.ts#L8-L44","documentation":"useBufferState() returns a `delayPlayback()` function used to tell the Player to wait (e.g. while media buffers). delayPlayback() reads the BufferingContextReact; when that context is absent the function throws, because delaying playback has no effect outside a Player/Composition. The error also calls out a possible version mismatch, since mismatched @remotion/* packages can each ship their own context object.","triggerScenarios":"Calling `useBufferState().delayPlayback()` from a component rendered outside <Player>/<Composition>, or when BufferingContextReact is unavailable because of a version mismatch across @remotion packages.","commonSituations":"Reusing a buffering-aware media component in a plain React preview; SSR usage; multiple copies of @remotion/core installed via overlapping dependency trees so the context object identity differs.","solutions":["Ensure the component calling delayPlayback() is rendered inside a <Player> or <Composition>.","Run `npx remotion versions` and align every @remotion/* package to the same version (dedupe with your package manager).","Guard the call: only invoke delayPlayback() when you know the component is Player-mounted."],"exampleFix":"// before\nconst {delayPlayback} = useBufferState();\ndelayPlayback();\n\n// after\nconst {delayPlayback} = useBufferState();\nif (env.isPlayer || env.isStudio) {\n  const handle = delayPlayback();\n  // ...\n}","handlingStrategy":"type-guard","validationCode":"import {useRemotionEnvironment} from '@remotion/core';\n\nconst {delayPlayback} = useBufferState();\nconst env = useRemotionEnvironment();\nif (env.isPlayer || env.isStudio) {\n  const handle = delayPlayback();\n  // ...later: handle.unblock();\n}","typeGuard":"const canUseBufferState = () => {\n  const env = useRemotionEnvironment();\n  return env.isPlayer || env.isStudio;\n};","tryCatchPattern":"try {\n  return delayPlayback();\n} catch (e) {\n  if (/buffer state/.test((e as Error).message)) {\n    return {unblock: () => undefined};\n  }\n  throw e;\n}","preventionTips":["Run `npx remotion versions` and dedupe @remotion/* to one version.","Only call delayPlayback() from components rendered inside <Player>/<Composition>.","Always call unblock() in a finally block to release the buffer handle."],"tags":["react","context","buffering","player","version-mismatch","hook"],"backgroundTag":null,"analyzedSha":"78fe4bb3fdb5a2cd68724393d63cb223db333fa7","analyzedAt":"2026-08-12T17:18:50.444Z","schemaVersion":2},"datasetVersion":"2026-08-12T23:17:12.415Z"}