{"record":{"id":"8e13f534875457b9","repo":"remotion-dev/remotion","slug":"cannot-find-file-for-composition-in-project","errorCode":null,"errorMessage":"Cannot find file for composition in project","messagePattern":"Cannot find file for composition in project","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/studio-server/src/preview-server/routes/insert-element.ts","lineNumber":145,"sourceCode":"\t\t\t\tregistrationFileNewContents: string;\n\t\t\t} | null = null;\n\t\t\tlet sourceFileOverrides: ReadonlyMap<string, string> | null = null;\n\n\t\t\tif (newComposition !== null) {\n\t\t\t\tif (newComposition.codemod.newId !== compositionId) {\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t'New composition ID does not match installation target',\n\t\t\t\t\t);\n\t\t\t\t}\n\n\t\t\t\tconst registrationFilePath = newComposition.symbolicatedStack\n\t\t\t\t\t? resolveFilePathFromSymbolicatedStack(\n\t\t\t\t\t\t\tremotionRoot,\n\t\t\t\t\t\t\tnewComposition.symbolicatedStack,\n\t\t\t\t\t\t)\n\t\t\t\t\t: (await getProjectInfo(remotionRoot, entryPoint)).rootFile;\n\t\t\t\tif (registrationFilePath === null) {\n\t\t\t\t\tthrow new Error('Cannot find file for composition in project');\n\t\t\t\t}\n\n\t\t\t\tcheckIfTypeScriptFile(registrationFilePath);\n\t\t\t\tif (\n\t\t\t\t\tpath.resolve(remotionRoot, compositionFile) !== registrationFilePath\n\t\t\t\t) {\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t'New composition source does not match installation target',\n\t\t\t\t\t);\n\t\t\t\t}\n\n\t\t\t\tconst componentFilePath = path.join(\n\t\t\t\t\tpath.dirname(registrationFilePath),\n\t\t\t\t\t`${newComposition.codemod.componentName}.tsx`,\n\t\t\t\t);\n\t\t\t\tif (existsSync(componentFilePath)) {\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t`Cannot create ${path.relative(","sourceCodeStart":127,"sourceCodeEnd":163,"githubUrl":"https://github.com/remotion-dev/remotion/blob/46a3a6bf13ca367376ff18bbb06dae2e87e0d068/packages/studio-server/src/preview-server/routes/insert-element.ts#L127-L163","documentation":"The route must determine which file registers the composition: either resolved from newComposition.symbolicatedStack via resolveFilePathFromSymbolicatedStack, or falling back to the project's rootFile from getProjectInfo. If resolution yields null, the composition's registration file cannot be located within the project and the insertion aborts.","triggerScenarios":"POSTing to insert-element where the symbolicated stack cannot be resolved to an existing project file and getProjectInfo returns a null rootFile (e.g. no Root file found at the entry point).","commonSituations":"entryPoint pointing at the wrong file, project misconfiguration so no root file is detected, or source maps/symbolicated stack entries referencing files outside the project (deleted or renamed files).","solutions":["Verify the correct entryPoint is passed and that the project's Root file exists","Check that files referenced by the symbolicated stack still exist in the project","Re-run the Studio's project info resolution (restart Studio) to refresh getProjectInfo"],"exampleFix":"// ensure Root registration file exists\n// before: entryPoint points at src/missing.tsx\n// after: entryPoint = 'src/index.ts' which imports <Composition> from './Root'","handlingStrategy":"validation","validationCode":"const info = await getProjectInfo(remotionRoot, entryPoint);\nif (!info.rootFile) throw new Error('no Root file found for entryPoint: ' + entryPoint);","typeGuard":null,"tryCatchPattern":"try {\n  await insertElement(payload);\n} catch (e) {\n  if (/Cannot find file for composition in project/.test(e.message)) {\n    // verify entryPoint and Root file, then retry\n  }\n}","preventionTips":["Confirm the entryPoint points at the file that renders <Composition>/<Folder> registrations","Keep Root files inside the project and avoid deleting referenced files","Restart Studio to refresh project info after structural changes"],"tags":["insert-element","file-not-found","project-structure"],"backgroundTag":"file-not-found","analyzedSha":"46a3a6bf13ca367376ff18bbb06dae2e87e0d068","analyzedAt":"2026-09-18T00:12:20.256Z","contentChangedAt":"2026-09-18T00:12:20.256Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}