error!! please help

[YHrhhh]

Command google returned: Error: <HttpError 400 when requesting

[YHrhhh]

the plan always setting it to use google, i told to use Bing instead but not working. always use google first.

[YHrhhh]

i have copy that error contant and searching by my self.

Command google returned: Error: <HttpError 400 when requesting https://customsearch.googleapis.com/customsearch/v1?q=fine+art+market+research&cx=535767512289-7mlcjq7doqgmjtnkd71gs09e325uoa7k.apps.googleusercontent.com&num=8&key=AIzaSyDYwL33Wp0WA0ZEKeK-E_i90iLuNNzu8xI&alt=json returned "Request contains an invalid argument.". Details: "[{'message': 'Request contains an invalid argument.', 'domain': 'global', 'reason': 'badRequest'}]">

this is the result
{
"error": {
"code": 400,
"message": "Invalid value "json returned" for query parameter 'alt'",
"errors": [
{
"message": "Invalid value "json returned" for query parameter 'alt'",
"domain": "global",
"reason": "badRequest"
}
],
"status": "INVALID_ARGUMENT"
}
}

[ChessScholar]

If you did everything that was in the readme.md, the use this link to find your custom engine and its ID (this wasn't intuitive to find):

https://programmablesearchengine.google.com/controlpanel/all