How reproduced

• go to the demo https://demo.ametys.org/nightly-intranet/catalog/fr/index.html
• modify a project space
• create the collaboration label (see screenshot)
• go to the back office https://demo.ametys.org/nightly-intranet-cms/intranet/index.html
• tag content news with tag collaboration (see screenshot)

The collaboration tag that applies to the content is the project space tag.