Error Handling System with PostgreSQL Logging and Rate-Limited Notifications

Log errors and avoid sending too many emails Use case Most of the time, it’s necessary to log all errors that occur. However, in some cases, a scheduled task or service consuming excessive resources might trigger a surge of errors. To address this, we can log all errors but limit alerts to a maximum of one notification every 5 minutes. What this workflow does This workflow can be configured to receive error events, or you can integrate it before your own error-handling logic. If used as the primary error handler, note that this flow will only add a database log entry and take no further action. You’ll need to add your own alerts (e.g., email or push notifications). Below is an example of a n

Help me set up the n8n workflow "Error Handling System with PostgreSQL Logging and Rate-Limited Notifications" (https://n8n.io/workflows/3882). It uses: Send Email, Postgres, Pushover, Code. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.