context_length_exceeded
OpenAI Context Length Exceeded Error: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
Error → limit → fix
Developer error database
Start with the exact identifier, connect it to the active constraint, then diagnose the system instead of retrying blindly.
Verified entries
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insufficient_quota
OpenAI Insufficient Quota Error: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
529 — overloaded_error
Anthropic API overloaded_error: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
Error 520 — web server returns an unknown error
Cloudflare Error 520: Web Server Returns Unknown Error: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
Error 521 — web server is down
Cloudflare Error 521: Web Server Is Down: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
Error 522 — connection timed out
Cloudflare Error 522: Connection Timed Out: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
Task timed out after … seconds
AWS Lambda Task Timed Out Error: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
413 — Payload Too Large
AWS API Gateway 413 Payload Too Large: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
429 — Resource exhausted / rate limit exceeded
Gemini API 429 Rate Limit Exceeded: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
429 — Too Many Requests
Perplexity API 429 Too Many Requests: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
429 — Too Many Requests
xAI API 429 Too Many Requests: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
400 Bad Request — context window exceeded
Mistral API Context Window 400 Error: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
429 — pull rate limit exceeded
Docker Hub Pull Rate Limit 429: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
429 — Too Many Requests
Stripe API 429 Rate Limit Error: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
429 — Too Many Requests
Resend API 429 Rate Limit Error: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
413 — Payload Too Large
SendGrid 413 Payload Too Large: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
63017 — Account exceeded 2,000 messages/second
Twilio Error 63017 Throughput Limit: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
63018 — Channel rate limit exceeded
Twilio Error 63018 Channel Throughput: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
413 — Payload Too Large
Cloudinary 413 Payload Too Large: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
413 — Payload Too Large
Sentry 413 Payload Too Large: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
429 — Too Many Requests
Clerk 429 Rate Limit Error: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
ERROR 1040 (HY000): Too many connections
MySQL Too Many Connections Error: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
connection refused because too many open connections
MongoDB Atlas Too Many Open Connections: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
ERR max number of clients reached
Redis Max Number of Clients Reached: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
RESOURCE_EXHAUSTED
Firestore RESOURCE_EXHAUSTED Quota Error: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
HTTP 413 — file too large
PyPI File Too Large Upload Error: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
PC05 — Connection timed out
Fly Proxy PC05 Connection Timed Out: direct meaning, scoped diagnosis, corrective action, official source, and linked current limit.
429 — Rate limit reached for requests
Diagnose OpenAI API 429 rate-limit responses, distinguish temporary throughput limits from billing/usage errors, and retry safely.
429 — rate_limit_error
Diagnose Anthropic API 429 rate_limit_error responses across request, input-token, output-token, and acceleration controls.
FUNCTION_INVOCATION_TIMEOUT
Fix Vercel FUNCTION_INVOCATION_TIMEOUT by checking plan/runtime duration, missing responses, loops, upstream latency, and function logs.
Error 524 — a timeout occurred
Diagnose Cloudflare 524 when the proxy connects to the origin but the origin does not return a response within the read-timeout window.
SQLSTATE 53300 — too_many_connections
Diagnose PostgreSQL too-many-connections errors by inspecting max_connections, reserved slots, pool multiplication, and active sessions.
SQLSTATE 57014 — query_canceled
Diagnose statement_timeout cancellations, inspect the effective setting, and distinguish statement, lock, transaction, and client timeouts.
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