from flask import Flask, render_template, request, jsonify
app = Flask(__name__)
from pymongo import MongoClient
import certifi

ca = certifi.where()

client = MongoClient("mongodb://test:sparta@ac-oafyhsk-shard-00-00.sssvbck.mongodb.net:27017,ac-oafyhsk-shard-00-01.sssvbck.mongodb.net:27017,ac-oafyhsk-shard-00-02.sssvbck.mongodb.net:27017/?ssl=true&replicaSet=atlas-xytj83-shard-0&authSource=admin&retryWrites=true&w=majority" ,tlsCAFile = ca)
db = client.test


@app.route('/')
def home():
    return render_template('index.html')

@app.route("/mars", methods=["POST"])
def web_mars_post():
    name_receive = request.form['name_give']
    address_receive = request.form['address_give']
    size_receive = request.form['size_give']
    doc = {
        'name':name_receive,
        'address': address_receive,
        'size': size_receive
    }
    db.mars.insert_one(doc)
    return jsonify({'msg': '주문 완료!'})

@app.route("/mars", methods=["GET"])
def web_mars_get():
    return jsonify({'msg': 'GET 연결 완료!'})

if __name__ == '__main__':
    app.run('0.0.0.0', port=5000, debug=True

화성땅공동구매를 실행했더니 아래와 같은 에러가 발생합니다. 무엇이 문제일까요?

------------------

127.0.0.1 - - [28/Jul/2022 15:04:47] "POST /mars HTTP/1.1" 500 -

Traceback (most recent call last):

 File "/Users/songcj/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 2091, in __call__

  return self.wsgi_app(environ, start_response)

 File "/Users/songcj/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 2076, in wsgi_app

  response = self.handle_exception(e)

 File "/Users/songcj/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 2073, in wsgi_app

  response = self.full_dispatch_request()

 File "/Users/songcj/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 1519, in full_dispatch_request

  rv = self.handle_user_exception(e)

 File "/Users/songcj/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 1517, in full_dispatch_request

  rv = self.dispatch_request()

 File "/Users/songcj/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/flask/app.py", line 1503, in dispatch_request

  return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)

 File "/Users/songcj/Desktop/Sparta/projects/mars/app.py", line 18, in web_mars_post

  name_receive = request.form['name_give']

 File "/Users/songcj/Desktop/Sparta/projects/mars/venv/lib/python3.8/site-packages/werkzeug/datastructures.py", line 375, in __getitem__

  raise exceptions.BadRequestKeyError(key)

werkzeug.exceptions.BadRequestKeyError: 400 Bad Request: The browser (or proxy) sent a request that this server could not understand.

KeyError: 'name_give'