Unable to activate Ancient Data Terminal by dropping Ancient Relic

[Northpin]

I think those are all the facts that would be needed to fully and clearly clarify what the deal is with Guardian Structures...

Read the page i linked (also linked by @Factabulous ). I will link it again below
But read it all, from top to bottom - especially the Databank section at the bottom, which details that not all Structures have databanks and also details the layout (Site Name: Bear, etc) and the correlation between layout (site name) and the type of blueprint they provide (if any) - for example Bear > Weapon Blueprint

Guardian Structure | Canonn Research Group

The Guardian Structure is a surface structure created by the Guardians. It was found after the less interactive Ancient Ruins (also created by The Guardians), and is often found in the same systems. While several Ancient Ruins are often found in the same system we have only found a maximum of...

canonn.science

Then in this link you have lots of Guardian Structure sites, each identified by layout (Type: Bear, etc)

Canonn - Project Athena

canonn.tech

edit: typos