Replit App Not Working After Deploying Environment Variables: What Actually Breaks and How to Fix It
Replit apps that work locally often break after deployment because .env files don't transfer to production. Here's the exact fix using Secrets.
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Dify API Request Error When Calling External Tools: Fix Auth and Schema Mismatches
Dify external tool calls returning 401 or empty responses? Fix auth header mismatches, schema errors, and endpoint format issues step by step.
OpenAI API Authentication Error After Rotating Secret Key: Why the 401 Persists and How to Fix It
Rotated your OpenAI API key but still getting 401 errors? The fix isn't in the dashboard — it's in how your server loads environment variables.
Claude API Rate Limit Errors During Streaming: How to Diagnose and Fix Them
Streaming Claude API responses fail with 429 errors differently than standard requests. Here's how to parse rate-limit headers and implement retry logic that works.
LangGraph Workflow Loop Not Stopping: How to Fix Conditional Routing and Add Proper Exit Conditions
LangGraph loop won't stop? Fix conditional edges missing END returns and runaway recursion with working StateGraph termination patterns.
Make.com Scenario Not Triggering Webhook After Update: What Actually Broke and How to Fix It
Webhook stopped firing after a Make.com update? Here's the exact cause, a step-by-step health check, and the fix that restores trigger reliability.
Dify Workflow Not Saving Variables Between Nodes: The Exact Fix
Dify workflow variables disappearing between nodes? Here's why explicit output mapping and full path syntax are the only fix that works.
Make.com 429 Rate Limit Error When Calling OpenAI API: Fix With Retry Logic and Request Spacing
Getting 429 errors in Make.com when calling OpenAI? Here's how to fix rate limit failures with sleep modules and exponential backoff retry logic.
OpenAI API 429 Errors in Chained Workflows: Retry Logic That Actually Holds
429 errors in chained OpenAI API calls aren't just rate limits — they're token vs request limits firing differently. Here's retry logic that handles both.
Zapier Step Skipped Because Field Is Missing: How to Find the Break and Fix It
Zapier skipping steps due to missing fields? Find which upstream step sends empty data and fix it with Formatter and Filter adjustments.