Cannot see "Quantity" tab for products [Warehouses Add-on]

I just upgraded to MV Ultimate. I’m trying to setup stores and warehouses. I followed the documentation and the video available. FAQ: How Stores and Warehouses Work — CS-Cart 4.18.x documentation

The quantity tab is available for some products image hosted at ImgBB — ImgBB
but is not available for other products? image hosted at ImgBB — ImgBB
Does it have to do with the storefront as I notice only products of a certain storefront have the Quantity tab.

Secondly, even when I set the quantity on warehouses, the delay text is not displayed on the product page anywhere image hosted at ImgBB — ImgBB

I’m running MV Ultimate v4.18.1.SP1
Using UniTheme 2 4.16.1.a

Hi!

Please make sure that at least one Store / Pickup point / Warehouse is listed for this product’s vendor.

Also why is the delay warning text not displayed in product page?

Unfortunately I don’t know what’s wrong in your installation. Just checked in the demo, everything is working as intended.