5 articles
RSSHow to fix Cloudflare Durable Objects errors — idFromName vs newUniqueId, Storage transactions, blockConcurrencyWhile, WebSocket Hibernation API, alarms, migrations, and class binding setup.
How to fix Cloudflare Pages errors — build output directory mismatch, Functions in /functions/, _redirects vs _headers, compatibility flags, env per branch, D1/R2/KV bindings, and Direct Upload alternatives.
How to fix Cloudflare Queues errors — producer queue.send not delivering, consumer not invoking, ack/retry/DLQ patterns, batch size limits, max_retries, content type pitfalls, and local dev with wrangler.
How to fix Cloudflare D1 errors — D1_ERROR no such table, binding undefined, --local vs --remote drift, migrations not applied, prepared statement bind index, foreign keys not enforced, and concurrent writes.
How to fix Cloudflare R2 errors — env.MY_BUCKET undefined in Workers, S3 SDK signature mismatch, multipart upload size limits, CORS on direct uploads, presigned URL generation, and r2.dev rate limits.