Fix install / upgrade error: (Booker25EmailTemplates) To create email template folders, enable Folders and Enhanced Sharing

When installing a version from 4.84 and up, you may get an error because of the Lighting Email Template folders we included. This article explains how to fix this.

  1. Go to Setup

  2. Search for Lightning Email Templates

  3. Make sure the switch under Folders and Enhanced Sharing is turned on