![Unknown Error" when attempting to build Eidolon lenses [Foundry related Bug?]; Screenshots inside. - UI - Warframe Forums Unknown Error" when attempting to build Eidolon lenses [Foundry related Bug?]; Screenshots inside. - UI - Warframe Forums](https://i.imgur.com/dSYCo0Q.jpg)
Unknown Error" when attempting to build Eidolon lenses [Foundry related Bug?]; Screenshots inside. - UI - Warframe Forums
![School specific Eidolon lens BP from incursions are completely useless. DO NOT BUY THEM. : r/Warframe School specific Eidolon lens BP from incursions are completely useless. DO NOT BUY THEM. : r/Warframe](https://preview.redd.it/hnrlxyy81ivz.png?width=640&crop=smart&auto=webp&s=22012a906f5a3ef356d2336602770f97a610a319)
School specific Eidolon lens BP from incursions are completely useless. DO NOT BUY THEM. : r/Warframe
![I crafted an Eidolon Lens earned from one of the Cavia missions, but two showed up. When I claimed it, the two stayed in the foundry, and when I try to claim I crafted an Eidolon Lens earned from one of the Cavia missions, but two showed up. When I claimed it, the two stayed in the foundry, and when I try to claim](https://i.redd.it/i-crafted-an-eidolon-lens-earned-from-one-of-the-cavia-v0-8gvx94c335dc1.jpg?width=1920&format=pjpg&auto=webp&s=917863d1a17a293755bbf03976f2e618df4f004d)
I crafted an Eidolon Lens earned from one of the Cavia missions, but two showed up. When I claimed it, the two stayed in the foundry, and when I try to claim
![People complain about ESO drop % while I'm here, after almost a year in the plains, without seeing any of these. : r/Warframe People complain about ESO drop % while I'm here, after almost a year in the plains, without seeing any of these. : r/Warframe](https://preview.redd.it/bz67vtuv2f911.png?width=640&crop=smart&auto=webp&s=8911b66d2020392527d4ea310fe0f9a0b96983f5)