Hello, I'm having problems connecting my Printful shop to woocommerce. When sending this call https://crazy-wear.com/wc-auth/v1/authorize?app_name=Printful&scope=read_write&user_id=(xxxxxx)return_url=https://www.printful.com/dashboard/woocommerce/return&callback_url=https://api.printful.com/hook/woocommerce-auth-callback I get error: HTTP Error 400 Bad Request Here is Printful log: How to fix ?