{"record":{"id":"03a09db483e4ca2a","repo":"withastro/astro","slug":"astro-couldn-t-find-the-correct-page-to-render-pr-03a09d","errorCode":null,"errorMessage":"Astro couldn't find the correct page to render, probably because it wasn't correctly mapped for SSR usage. This is an internal error, please file an issue.","messagePattern":"Astro couldn't find the correct page to render, probably because it wasn't correctly mapped for SSR usage\\. This is an internal error, please file an issue\\.","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/astro/src/core/environment/production.ts","lineNumber":54,"sourceCode":"\t\t} else {\n\t\t\t// This is an external redirect, so we return a component stub\n\t\t\treturn RedirectSinglePageBuiltModule;\n\t\t}\n\t} else if (routeIsFallback(route)) {\n\t\t// This is an i18n fallback route\n\t\trouteToProcess = getFallbackRoute(route, manifest.routes);\n\t}\n\n\tif (manifest.pageMap) {\n\t\tconst importComponentInstance = manifest.pageMap.get(routeToProcess.component);\n\t\tif (!importComponentInstance) {\n\t\t\tthrow new Error(`Unexpectedly unable to find a component instance for route ${route.route}`);\n\t\t}\n\t\treturn await importComponentInstance();\n\t} else if (manifest.pageModule) {\n\t\treturn manifest.pageModule;\n\t}\n\tthrow new Error(\n\t\t\"Astro couldn't find the correct page to render, probably because it wasn't correctly mapped for SSR usage. This is an internal error, please file an issue.\",\n\t);\n}\n\nasync function getComponentByRoute(\n\tmanifest: SSRManifest,\n\trouteData: RouteData,\n): Promise<ComponentInstance> {\n\tconst module = await getModuleForRoute(manifest, routeData);\n\treturn module.page();\n}\n\n/**\n * The production / bundled environment — the default when nothing is\n * registered. A stateless module constant derived from the manifest alone.\n */\nexport const productionEnvironment: RenderEnvironment = {\n\tname: 'production',","sourceCodeStart":36,"sourceCodeEnd":72,"githubUrl":"https://github.com/withastro/astro/blob/52e6c34790cc8ac4e69e6135ace06049867e5c4a/packages/astro/src/core/environment/production.ts#L36-L72","documentation":"The last-resort branch of the production environment: the SSRManifest has no `pageMap` entry for the (possibly fallback-resolved) route and no `pageModule` either, so the route cannot be mapped for SSR and Astro throws this internal error requesting an issue report. Like its sibling at production.ts:48, it points to a manifest/build mismatch rather than page code.","triggerScenarios":"A built SSRManifest that is structurally incomplete — neither `pageMap` nor `pageModule` populated — served by a custom server or adapter; deploy mixing artifacts so the manifest in use lacks both fields' data.","commonSituations":"Custom adapters/servers hand-assembling manifests; pruned or post-processed `dist` output that dropped manifest data; experimental output settings producing an unusual manifest shape.","solutions":["Clean rebuild and redeploy the complete `dist` output.","If you ship a custom adapter, ensure the emitted manifest includes `pageMap` (or `pageModule`).","Diff the failing manifest against a fresh build to find what stripped the mapping.","File an Astro issue with the adapter and build config if stock tooling produces it."],"exampleFix":null,"handlingStrategy":"validation","validationCode":"// Guard before rendering: manifest must offer one of the two mappings\nconst renderable = manifest.pageMap?.has(route.component) ?? Boolean(manifest.pageModule);\nif (!renderable) {\n  throw new Error('Incomplete SSR manifest — clean rebuild and redeploy required.');\n}","typeGuard":"function hasRouteMapping(\n  manifest: { pageMap?: Map<string, unknown>; pageModule?: unknown },\n  component: string,\n): boolean {\n  return manifest.pageMap?.has(component) === true || manifest.pageModule !== undefined;\n}","tryCatchPattern":null,"preventionTips":["Custom adapters must emit a manifest containing `pageMap` (or `pageModule`).","Avoid post-processing `dist` in ways that strip manifest fields.","Diff a failing deployment's manifest against a fresh local build to locate the loss."],"tags":["internal","ssr","deploy","manifest"],"backgroundTag":"missing-build-manifest-entry","analyzedSha":"52e6c34790cc8ac4e69e6135ace06049867e5c4a","analyzedAt":"2026-08-18T18:48:03.901Z","contentChangedAt":"2026-08-18T18:48:03.901Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}