Click Add-ons Menu > Postamatic > Run Initial Setup. Setup takes 5 - 10 Seconds to build the Tool.
Do not alter the structure of the sheets that the tool builds.
<aside> 💡 Altering the structure WILL BREAK THE TOOL.
</aside>
This means you can't insert columns in the following tabs in the sheet:
This means you can't insert rows in the CONFIG tab either.