n8n allows users to set up an 'Error Workflow' to handle errors in their workflows by utilizing an 'Error Trigger' node, which automatically activates when a workflow fails, providing notifications such as SMS or Slack/Mattermost alerts. This tutorial guides users through creating two workflows using version 0.111.0 of n8n: the first, an error workflow that utilizes the Error Trigger, Mattermost, and Twilio nodes to send notifications when Workflow 2 encounters an error, and the second, a deliberately flawed workflow designed to trigger the error workflow. The tutorial includes detailed steps for configuring each node, such as setting Mattermost credentials and creating a Twilio account, and demonstrates how to ensure that notifications are sent to designated channels and contacts. The process illustrates how n8n can be used to monitor workflows effectively and ensure timely error notification and response, encouraging users to integrate this setup into their incident response strategies and share their workflows with the community.