RateLimitError: 429 You exceeded your current quota, please check your plan and billing details

Hello Team,

I’m getting below error while executing the code as mentioned in “ Buil AI powered APP” .

RateLimitError: 429 You exceeded your current quota, please check your plan and billing details.

file:///Users/ashish/Desktop/playground/node_modules/openai/core/error.mjs:41
return new BadRequestError(status, error, message, headers);
^

BadRequestError: 400 Missing required parameter: ‘model’.
at APIError.generate (file:///Users/ashish/Desktop/playground/node_modules/openai/core/error.mjs:41:20)
at OpenAI.makeStatusError (file:///Users/ashish/Desktop/playground/node_modules/openai/client.mjs:162:32)
at OpenAI.makeRequest (file:///Users/ashish/Desktop/playground/node_modules/openai/client.mjs:330:30)
at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
at async file:///Users/ashish/Desktop/playground/index.js:14:22 {
status: 400,
headers: Headers {},
requestID: ‘req_0567c6035b6b4f60a6627d4f7c0213ff’,
error: {
message: “Missing required parameter: ‘model’.”,
type: ‘invalid_request_error’,
param: ‘model’,
code: ‘missing_required_parameter’
},
code: ‘missing_required_parameter’,
param: ‘model’,
type: ‘invalid_request_error’
}

Can someone please help me