signale is not defined

[farhanali2325]

https://blog.logrocket.com/build-ecommerce-app-whatsapp-cloud-api-node-js/

followed the step by step guide from here but at heading "Understanding and responding to our customer’s intent"
when sending message to bot does not send back a reply.
then if you go to you your webhook and test it again it'll log this error:
{
error: ReferenceError: signale is not defined
at module.exports (D:\Office Stuff\whatsappCloudApi\Blog\node_modules\whatsappcloudapi_wrapper\msg_parser.js:17:9)
at WhatsappCloud.parseMessage (D:\Office Stuff\whatsappCloudApi\Blog\node_modules\whatsappcloudapi_wrapper\index.js:867:16)
at D:\Office Stuff\whatsappCloudApi\Blog\routes\index.js:42:29
at Layer.handle [as handle_request] (D:\Office Stuff\whatsappCloudApi\Blog\node_modules\express\lib\router\layer.js:95:5)
at next (D:\Office Stuff\whatsappCloudApi\Blog\node_modules\express\lib\router\route.js:144:13)
at Route.dispatch (D:\Office Stuff\whatsappCloudApi\Blog\node_modules\express\lib\router\route.js:114:3)
at Layer.handle [as handle_request] (D:\Office Stuff\whatsappCloudApi\Blog\node_modules\express\lib\router\layer.js:95:5)
at D:\Office Stuff\whatsappCloudApi\Blog\node_modules\express\lib\router\index.js:284:15
at Function.process_params (D:\Office Stuff\whatsappCloudApi\Blog\node_modules\express\lib\router\index.js:346:12)
at next (D:\Office Stuff\whatsappCloudApi\Blog\node_modules\express\lib\router\index.js:280:10)
}