[{"data":1,"prerenderedAt":357},["ShallowReactive",2],{"\u002Fblog\u002Flovable-bolt-replit-errors-fixes-2026\u002F":3,"\u002Fblog\u002Flovable-bolt-replit-errors-fixes-2026\u002F-related":326,"\u002Fblog\u002Flovable-bolt-replit-errors-fixes-2026\u002F-resources":335},{"id":4,"title":5,"author":6,"body":10,"canonical":256,"category":257,"checker":256,"createdAt":258,"description":259,"disclosure":260,"extension":261,"faq":262,"heroActions":275,"howTo":256,"lastVerified":256,"location":281,"meta":282,"navigation":288,"ogImage":256,"path":289,"primaryKeyword":290,"readingTime":291,"related":256,"seo":292,"seoTitle":256,"sources":293,"stem":316,"tags":317,"takeaways":318,"updatedAt":258,"url":324,"__hash__":325},"blog\u002Fblog\u002Flovable-bolt-replit-errors-fixes-2026.md","Lovable, Bolt and Replit Errors: 7 Fixes (2026)",{"name":7,"social":8},"Simon Dziak",{"twitter":9},"@SzymonDziak",{"type":11,"value":12,"toc":236},"minimark",[13,21,27,32,35,40,56,60,80,84,91,95,98,102,115,119,135,139,142,146,159,163,176,180,183,202,214,218],[14,15,16,20],"p",{},[17,18,19],"strong",{},"Short answer:"," apps built with Lovable, Bolt or Replit break in three places: publishing and deploying, the connections to GitHub and secret keys, and the AI chat itself when it can’t fix a bug. Find your problem below; each one links to a full fix page checked against the builder’s own documentation.",[14,22,23,26],{},[17,24,25],{},"Errors in AI-built apps are easiest to fix once you know whether the builder, the host or the code caused them."," The 7 problems below stop apps built with Lovable, Bolt or Replit from going live, staying live or getting fixed. Facts come from the vendors’ own documentation, as checked on the linked fix page; the advice on what to do and in which order is App369’s.",[28,29,31],"h2",{"id":30},"publish-and-deploy-errors","Publish and deploy errors",[14,33,34],{},"These three problems appear when the app leaves the builder’s editor: a published Lovable site, a deploy to Netlify or Vercel, and a Replit deployment.",[36,37,39],"h3",{"id":38},"lovable-app-works-in-the-preview-but-the-published-site-is-blank","Lovable app works in the preview, but the published site is blank",[14,41,42,43,50,51,55],{},"The live site is a snapshot of your last publish, and the ",[44,45,49],"a",{"href":46,"rel":47},"https:\u002F\u002Fdocs.lovable.dev\u002Ffeatures\u002Fpublish",[48],"nofollow","Lovable publishing docs"," say “later changes are not automatically pushed live”. Publish again, then read the browser console: an error in the app can stop it from drawing. If only your own domain is blank, check its DNS records. Full steps: ",[44,52,54],{"href":53},"\u002Ffix\u002Flovable-app-blank-page-after-publish\u002F","Lovable blank page after publish",".",[36,57,59],{"id":58},"the-app-works-in-bolt-or-lovable-but-the-deploy-build-fails","The app works in Bolt or Lovable, but the deploy build fails",[14,61,62,63,67,68,71,72,75,76,55],{},"The build machine is missing something your laptop has. Set the ",[64,65,66],"code",{},"VITE_"," variables on the host, match its Node.js version to yours, and make every import match the file name’s exact case, since Netlify’s build machine treats ",[64,69,70],{},"Button.tsx"," and ",[64,73,74],{},"button.tsx"," as different files. Full steps: ",[44,77,79],{"href":78},"\u002Ffix\u002Fbolt-lovable-build-failed-netlify-vercel\u002F","Bolt or Lovable build failed on Netlify or Vercel",[36,81,83],{"id":82},"uploaded-files-or-saved-data-disappear-after-a-replit-redeploy","Uploaded files or saved data disappear after a Replit redeploy",[14,85,86,87,55],{},"Files the running app writes to its own folder live on the deployment’s file system, and Replit’s docs say not to rely on it. Move records into the database and uploads into object storage, and keep nothing you need only in memory. Full steps: ",[44,88,90],{"href":89},"\u002Ffix\u002Freplit-deployment-lost-files-data\u002F","Replit deployment lost files and data",[28,92,94],{"id":93},"github-sync-and-secret-key-errors","GitHub sync and secret key errors",[14,96,97],{},"These two problems come from what the builder connects to: the GitHub repository and the secret keys your server code reads.",[36,99,101],{"id":100},"lovable-project-stopped-syncing-with-github","Lovable project stopped syncing with GitHub",[14,103,104,105,110,111,55],{},"The ",[44,106,109],{"href":107,"rel":108},"https:\u002F\u002Fdocs.lovable.dev\u002Fintegrations\u002Fgithub",[48],"Lovable GitHub docs"," say “Lovable only syncs one branch at a time, and that is the branch the project is currently set to”. If the status says diverged, copy any Lovable-only changes across before you push, because the push replaces Lovable’s version of the branch. Full steps: ",[44,112,114],{"href":113},"\u002Ffix\u002Flovable-github-sync-not-working\u002F","Lovable GitHub sync not working",[36,116,118],{"id":117},"lovable-edge-function-cant-read-the-api-key","Lovable edge function can’t read the API key",[14,120,121,122,127,128,130,131,55],{},"The secret was skipped, its name doesn’t match the one the function reads, or the project was remixed. On remixes, the ",[44,123,126],{"href":124,"rel":125},"https:\u002F\u002Fdocs.lovable.dev\u002Ffeatures\u002Fsecrets",[48],"Lovable secrets docs"," say “Manually added secrets are not copied over, so re-enter them in the new project.” Never put a secret key in a ",[64,129,66],{}," variable. Full steps: ",[44,132,134],{"href":133},"\u002Ffix\u002Flovable-edge-function-secret-missing\u002F","Lovable edge function secret missing",[28,136,138],{"id":137},"when-the-ai-cant-fix-it","When the AI can’t fix it",[14,140,141],{},"These two problems come from the builder’s chat: a bug the AI keeps failing to fix, and the tokens each attempt uses.",[36,143,145],{"id":144},"lovable-keeps-breaking-and-the-ai-cant-fix-the-same-bug","Lovable keeps breaking, and the AI can’t fix the same bug",[14,147,148,149,154,155,55],{},"Stop resending the request. Ask Lovable to investigate, roll back to the version before the bug, then follow its ",[44,150,153],{"href":151,"rel":152},"https:\u002F\u002Fdocs.lovable.dev\u002Ffeatures\u002Fprojects\u002Fchat",[48],"chat guide",": “Switch to Plan mode and ask Lovable to outline an approach first.” In Bolt, clear the context; in Replit, start a fresh thread with a summary. Full steps: ",[44,156,158],{"href":157},"\u002Ffix\u002Flovable-keeps-breaking-ai-cant-fix-it\u002F","Lovable keeps breaking",[36,160,162],{"id":161},"bolt-keeps-running-out-of-tokens","Bolt keeps running out of tokens",[14,164,165,166,171,172,55],{},"Bolt reads the project with each message, so larger projects use more tokens per message. Point it at the files that matter, and don’t press Attempt fix again and again. Bolt’s ",[44,167,170],{"href":168,"rel":169},"https:\u002F\u002Fsupport.bolt.new\u002Fprompting\u002Fmaximizing-token-efficiency",[48],"token efficiency guide"," notes “Clicking an on-screen button or action doesn’t use tokens, but prompting Bolt does.” Full steps: ",[44,173,175],{"href":174},"\u002Ffix\u002Fbolt-running-out-of-tokens\u002F","Bolt running out of tokens",[28,177,179],{"id":178},"which-to-check-first","Which to check first",[14,181,182],{},"Where the app fails, in the builder’s preview, on the published site or on your own host, points to the cause. App369’s full order for an AI-built app that just broke:",[184,185,186,190,193,196,199],"ol",{},[187,188,189],"li",{},"Compare the preview with the published site, and publish again if they differ.",[187,191,192],{},"Open the browser console on the broken page and read the first error.",[187,194,195],{},"For a host such as Netlify or Vercel, read the build log and check the environment variables are set there.",[187,197,198],{},"Check the connections: GitHub sync status, secret names, the database.",[187,200,201],{},"If the AI has failed at the same bug more than once, roll back and stop spending credits on it.",[14,203,204,205,209,210,55],{},"Before launch, read ",[44,206,208],{"href":207},"\u002Ffix\u002Fis-lovable-app-safe\u002F","is Lovable safe for a real app"," for the security checks. To ship a Lovable or Bolt web app as a phone app, see ",[44,211,213],{"href":212},"\u002Ffix\u002Flovable-bolt-web-app-to-app-store\u002F","turning it into an App Store app",[28,215,217],{"id":216},"need-a-hand","Need a hand?",[14,219,220,221,225,226,230,231,235],{},"App369 fixes apps built with AI builders. If one bug is the whole problem, the ",[44,222,224],{"href":223},"\u002Ffixed-price\u002Fflutter-firebase-bug-fix\u002F","App Fix Ticket"," covers it in two fixed-price steps: a $450 diagnosis that finds the root cause and gives you a fixed quote for the fix, then the fix itself. If more is going on, the ",[44,227,229],{"href":228},"\u002Ffixed-price\u002Fai-app-rescue\u002F","AI-Built App Rescue"," starts with a Launch Check of the whole app. Or ",[44,232,234],{"href":233},"\u002Fcontact\u002F","describe the problem"," and get a written quote.",{"title":237,"searchDepth":238,"depth":238,"links":239},"",2,[240,246,250,254,255],{"id":30,"depth":238,"text":31,"children":241},[242,244,245],{"id":38,"depth":243,"text":39},3,{"id":58,"depth":243,"text":59},{"id":82,"depth":243,"text":83},{"id":93,"depth":238,"text":94,"children":247},[248,249],{"id":100,"depth":243,"text":101},{"id":117,"depth":243,"text":118},{"id":137,"depth":238,"text":138,"children":251},[252,253],{"id":144,"depth":243,"text":145},{"id":161,"depth":243,"text":162},{"id":178,"depth":238,"text":179},{"id":216,"depth":238,"text":217},null,"AI & Technology","2026-11-02T12:00:00.000Z","Lovable site blank after publish, a Bolt build that fails on Netlify, GitHub sync stuck or data gone after a Replit redeploy? 7 AI app builder errors, fixed.","App369 publishes this guide and sells fixed-price help for apps built with AI builders.","md",[263,266,269,272],{"question":264,"answer":265},"Why is my Lovable app blank after publishing?","Either the latest changes were never published, an error in the app stops it from drawing, or your custom domain isn't serving it. Publish again, read the browser console error, and compare the lovable.app address with your own domain.",{"question":267,"answer":268},"Why does my Bolt or Lovable app fail to build on Netlify or Vercel?","The build machine is missing something your laptop has: the VITE_ environment variables, the same Node.js version, or file names that match their imports letter for letter. Set those on the host and build again.",{"question":270,"answer":271},"What do I do when Lovable keeps breaking and the AI can't fix it?","Stop resending the same request. Lovable's guide says to ask it to investigate, roll back to the version before the bug, then switch to Plan mode. If the bug comes back after a rollback, or each fix breaks something else, a developer should read the code.",{"question":273,"answer":274},"Can App369 fix an app built with Lovable, Bolt or Replit?","Yes. For one bug, the App Fix Ticket works in two fixed-price steps: a $450 diagnosis that finds the root cause and gives you a fixed quote for the fix, then the fix itself. For a whole app, the AI-Built App Rescue starts with a Launch Check.",[276,279],{"label":277,"to":278},"All fixes","\u002Ffix\u002F",{"label":280,"to":223},"Start with a $450 diagnosis","Miami, FL",{"readingTimeStats":283},{"text":284,"minutes":285,"time":286,"words":287},"5 min read",4.15,249000,830,true,"\u002Fblog\u002Flovable-bolt-replit-errors-fixes-2026","lovable errors","6 min",{"title":5,"description":259},[294,296,299,302,304,306,308,311,313],{"title":295,"url":46},"Lovable docs, Publish your Lovable project",{"title":297,"url":298},"Vite docs, Env variables and modes","https:\u002F\u002Fvite.dev\u002Fguide\u002Fenv-and-mode",{"title":300,"url":301},"Netlify docs, Build troubleshooting tips","https:\u002F\u002Fdocs.netlify.com\u002Fbuild\u002Fconfigure-builds\u002Ftroubleshooting-tips\u002F",{"title":303,"url":107},"Lovable docs, GitHub integration",{"title":305,"url":124},"Lovable docs, Secrets",{"title":307,"url":151},"Lovable docs, Work in the project chat",{"title":309,"url":310},"Bolt help, Tokens","https:\u002F\u002Fsupport.bolt.new\u002Faccount\u002Ftokens",{"title":312,"url":168},"Bolt help, Maximize token efficiency",{"title":314,"url":315},"Replit docs, Storage and databases","https:\u002F\u002Fdocs.replit.com\u002Flearn\u002Fprojects-and-artifacts\u002Fstorage-and-databases","blog\u002Flovable-bolt-replit-errors-fixes-2026","lovable errors, lovable blank page after publish, bolt build failed netlify, lovable github sync not working, lovable edge function secret, lovable keeps breaking, bolt running out of tokens, replit deployment lost data",[319,320,321,322,323],"A Lovable site is a snapshot of the last publish: later changes in the editor are not pushed live until you publish again.","Vite writes VITE_ variables into the build, so a Bolt or Lovable app hosted on Netlify or Vercel needs them set on the host before it builds.","Lovable syncs only the one GitHub branch the project is set to, so commits on any other branch don't show up until they are merged into it.","Secrets you added by hand are not copied when a Lovable project is remixed; add them again in the new project.","Files a Replit app writes to its own folder are not a safe place for data: move records to the database and uploads to object storage.","https:\u002F\u002Fapp369.com\u002Fblog\u002Flovable-bolt-replit-errors-fixes-2026\u002F","7tGl5A5tnrYseqtARF5p_aLJmaooKtgFoqtKnTtUjTU",[327,331],{"path":328,"title":329,"description":330,"category":257},"\u002Fblog\u002Fai-api-errors-openai-claude-gemini-mcp-fixes-2026","AI API Errors: 7 OpenAI, Claude, Gemini and MCP Fixes (2026)","AI feature broken by a 401, 429 or 529, or an MCP connector that won't connect? 7 OpenAI, Anthropic, Gemini and MCP errors, what each means and how to fix it.",{"path":332,"title":333,"description":334,"category":257},"\u002Fblog\u002Fapp-store-google-play-rejections-fixes-2026","App Store and Google Play Rejections: 13 Fixes (2026)","App rejected by Apple or Google Play? 13 rejections, from Guidelines 2.1, 4.3 and 5.1.1 to Play's Data safety form and 12-tester rule, and how to fix each.",[336,338,342,346,350,353],{"keyword":5,"url":324,"title":5,"relevance":337},64,{"keyword":339,"url":340,"title":339,"relevance":341},"Vercel Errors: 9 Deploy and Function Fixes (2026)","https:\u002F\u002Fapp369.com\u002Fblog\u002Fvercel-errors-deploy-function-fixes-2026\u002F",18,{"keyword":343,"url":344,"title":343,"relevance":345},"Flutter iOS Build Failed After an Upgrade? Fix CocoaPods and Xcode Errors (2026)","https:\u002F\u002Fapp369.com\u002Fblog\u002Fflutter-ios-build-failed-after-upgrade-2026\u002F",17,{"keyword":347,"url":348,"title":347,"relevance":349},"Next.js and Web Build Errors: 8 Fixes (2026)","https:\u002F\u002Fapp369.com\u002Fblog\u002Fnextjs-web-build-errors-fixes-2026\u002F",14,{"keyword":351,"url":352,"title":351,"relevance":349},"Supabase Database and Edge Function Errors: 12 Fixes (2026)","https:\u002F\u002Fapp369.com\u002Fblog\u002Fsupabase-database-edge-function-errors-fixes-2026\u002F",{"keyword":354,"url":355,"title":354,"relevance":356},"Expo and Flutter Build Errors: 12 Fixes (2026)","https:\u002F\u002Fapp369.com\u002Fblog\u002Fexpo-flutter-build-errors-fixes-2026\u002F",13,1793636540713]