This guide is designed to help you quickly solve issues related to running scripts from custom-built dialogue boxes in Google Sheets, Docs, Forms and Slides, most notably, the “ACCESS DENIED” error and other related errors.
This guide is for Google Workspace users and not necessarily for Google Workspace Developers. If you would like to learn how to handle for these issues programmatically, check out the link here (Handling Dialog and Sidebar Access Issues in Google Workspace Apps).
Use this guide as a quick reference for troubleshooting your own problem or share it with a team member if they need assistance.
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