🔧 Error 0x4002: RPC Provider Disconnect (NETWORK)

Synchronize your transport layer.

Step 1: Check Network State

curl -X POST -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"net_listening","params":[],"id":67}' http://localhost:8545

Step 2: Verify RPC Endpoint

curl -X POST -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}' https://rpc.network.example.com