QuickNode Common Errors Overview Quick reference for the top blockchain RPC errors when using QuickNode endpoints with ethers.js or viem. Prerequisites - QuickNode endpoint configured - ethers.js or viem installed Instructions Error 1: Nonce Too Low Fix: Error 2: Insufficient Funds Fix: Error 3: Gas Estimation Failed (Call Revert) Fix: The contract function would revert. Check contract requirements: Error 4: Rate Limited (429) Fix: Implement exponential backoff or upgrade plan: Error 5: Method Not Found Fix: This method requires an add-on. Enable it in QuickNode Dashboard Endpoints Add-ons. E…