WhatsApp & IA Agent | Send Message Problem

[Sergio_Veloza]

I am new to using n8n, I want the simplest flow possible, and then scale up as needed, however I am often faced with the following error:

Flow:

Information about my n8n configuration

• Version of n8n: 1.82.1
• Database: PosgreSQL**
• Running n8n via: Docker / Hostinger VPS**
  Operating system: Ubuntu 24.04

[solomon]

In your Meta App Dashboard, go to Webhooks and delete what you see there:

Then try using your trigger again.

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