<pre>Array
(
    [error] => Array
        (
            [code] => parameter_invalid_empty
            [doc_url] => https://stripe.com/docs/error-codes/parameter-invalid-empty
            [message] => You passed an empty string for 'line_items[0][price]'. We assume empty values are an attempt to unset a parameter; however 'line_items[0][price]' cannot be unset. You should remove 'line_items[0][price]' from your request or supply a non-empty value.
            [param] => line_items[0][price]
            [request_log_url] => https://dashboard.stripe.com/acct_1GsBdFKOzxUABd6L/workbench/logs?object=req_lBL9ngbKDxi1gN
            [type] => invalid_request_error
        )

)
</pre>Could not create checkout session. Error above.