This is only valid for companies using the ESEF 2022 taxonomy as their primary taxonomy in the ESEF project settings. If you use an earlier version of the taxonomy this is not applicable for you.
At the moment there is a setting that needs to be manually made for tags of type perShare. These tags are marked with a specific icon in the taxonomy according to the image below.
For all of the places where you have used these tags you need to manually write shares in the row Unit denominator (found in the properties tab) according to the image below. To be able to make edits in the Properties tab the status of the tag needs to be either InEdit or ReviewPending.
Please note that the word is case sensitive, if you don't write shares you will get a popup with a Warning according to the image below.
If you don't add this manually you might get a non-blocking validation error saying The numeric fact are not UTR valid (or something similar).