Unable to get ether from Ropsten net

Question

I am a newbie just set up my Metamask account and try to get some test ether from the Ropsten faucet. This is the error message I got after requesting. I tried to google and look it up on stackoverflow but I can't find the answer. Thanks in adanvce.

Error: 500 {"error":"[ethjs-query] while formatting outputs from RPC '{"value":{"code":-32603,"message":"Too Many Requests","data":{"originalError":{}},"stack":"Error: Too Many Requests\n at eval (/www/node_modules/web3-provider-engine/subproviders/rpc.js:52:23)\n at Request.eval [as _callback] (/www/node_modules/web3-provider-engine/subproviders/rpc.js:54:11)\n at Request.self.callback (/www/node_modules/request/request.js:186:22)\n at Request.emit (events.js:315:20)\n at Request.eval (/www/node_modules/request/request.js:1155:10)\n at Request.emit (events.js:315:20)\n at IncomingMessage.eval (/www/node_modules/request/request.js:1077:12)\n at Object.onceWrapper (events.js:421:28)\n at IncomingMessage.emit (events.js:327:22)\n at endReadableNT (internal/streams/readable.js:1327:12)"}}'"}