{"record":{"id":"3f320d7cc45a6f50","repo":"BabylonJS/Babylon.js","slug":"unable-to-save-your-entityname-content-3f320d","errorCode":null,"errorMessage":"Unable to save your ${entityName ?? \"content\"}","messagePattern":"Unable to save your (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"packages/dev/inspector-v2/src/misc/snippetUtils.ts","lineNumber":88,"sourceCode":"    headers.append(\"Content-Type\", \"application/json\");\r\n\r\n    let response: Response;\r\n    try {\r\n        response = await fetch(snippetUrl + (currentSnippetId ? \"/\" + currentSnippetId : \"\"), {\r\n            method: \"POST\",\r\n            headers,\r\n            body: JSON.stringify(dataToSend),\r\n        });\r\n    } catch (e) {\r\n        const errorMsg = `Unable to save your ${entityName ?? \"content\"}: ${e}`;\r\n        alert(errorMsg);\r\n        throw new Error(errorMsg, { cause: e });\r\n    }\r\n\r\n    if (!response.ok) {\r\n        const errorMsg = `Unable to save your ${entityName ?? \"content\"}`;\r\n        alert(errorMsg);\r\n        throw new Error(errorMsg);\r\n    }\r\n\r\n    const snippet = await response.json();\r\n    const oldSnippetId = currentSnippetId || \"_BLANK\";\r\n    let newSnippetId = snippet.id;\r\n    if (snippet.version && snippet.version !== \"0\") {\r\n        newSnippetId += \"#\" + snippet.version;\r\n    }\r\n\r\n    // Copy to clipboard when available.\r\n    if (navigator.clipboard) {\r\n        await navigator.clipboard.writeText(newSnippetId);\r\n    }\r\n\r\n    // Persist to local storage if configured.\r\n    if (storageKey) {\r\n        PersistSnippetId(storageKey, newSnippetId);\r\n    }\r","sourceCodeStart":70,"sourceCodeEnd":106,"githubUrl":"https://github.com/BabylonJS/Babylon.js/blob/0592b347b8a4ee0236089ea86a749cacfdb266d8/packages/dev/inspector-v2/src/misc/snippetUtils.ts#L70-L106","documentation":"After the fetch completes, SaveToSnippetServer checks response.ok; any non-2xx HTTP status (400/404/500, etc.) produces this message (without the error detail, since the body isn't read), triggers an alert(), and throws. It signals that the snippet server was reached but rejected the save request.","triggerScenarios":"Calling SaveToSnippetServer and receiving a non-OK response: server returns 4xx/5xx, updating a currentSnippetId that no longer exists (404), malformed payload rejected by the server (400), server-side storage failure (500), or auth/rate limiting on the snippet endpoint.","commonSituations":"Updating a snippet whose ID was deleted or expired on the server; POSTing to a snippetUrl path that no longer matches the server API; snippet server disk full or misconfigured; version-drift where an old playground expects an API shape the new server rejects.","solutions":["Check the HTTP status in the network tab and the snippet server logs to see why the POST failed.","If updating (currentSnippetId set), retry saving without currentSnippetId to create a fresh snippet instead of updating a possibly-deleted one.","Verify snippetUrl matches the running server's API route (POST base vs POST /:id).","Confirm the payload size/format is accepted by the server (payload is JSON-stringified content under payloadKey).","Inspect server-side errors (500) — restart or fix the snippet server, then retry."],"exampleFix":"// before\nawait SaveToSnippetServer({ snippetUrl: SNIPPET_URL, currentSnippetId: staleId, content, payloadKey: \"spriteManager\" });\n\n// after: fall back to a new snippet if the update is rejected\ntry {\n  await SaveToSnippetServer({ snippetUrl: SNIPPET_URL, currentSnippetId: staleId, content, payloadKey: \"spriteManager\" });\n} catch {\n  const r = await SaveToSnippetServer({ snippetUrl: SNIPPET_URL, content, payloadKey: \"spriteManager\" });\n  console.log(\"Saved as new snippet:\", r.snippetId);\n}","handlingStrategy":"try-catch","validationCode":"function validateSaveConfig(config) {\n  if (!config.snippetUrl || !/^https?:\\/\\//.test(config.snippetUrl)) throw new Error(\"Invalid snippetUrl\");\n  if (typeof config.content !== \"string\" || config.content.length === 0) throw new Error(\"Empty content\");\n  if (!config.payloadKey) throw new Error(\"Missing payloadKey\");\n}","typeGuard":null,"tryCatchPattern":"try {\n  const { snippetId } = await SaveToSnippetServer(config);\n} catch (e) {\n  if (e.message.includes(\"Unable to save\")) {\n    // HTTP-level failure: retry as a brand-new snippet (skip stale currentSnippetId)\n    const { snippetId } = await SaveToSnippetServer({ ...config, currentSnippetId: undefined });\n  }\n}","preventionTips":["Don't reuse stale snippet IDs for updates; refresh them from the server.","Check the response status in the network tab whenever a save fails.","Keep payloads within the server's size limits; trim or compress large content.","Monitor snippet server logs for recurring 4xx/5xx causes."],"tags":["http","snippet-server","api","browser"],"backgroundTag":"http-request-failed","analyzedSha":"0592b347b8a4ee0236089ea86a749cacfdb266d8","analyzedAt":"2026-08-30T15:11:20.442Z","schemaVersion":2},"datasetVersion":"2026-08-30T18:17:15.746Z"}