On my survival play through, I finally made a beacon and no matter what ore I put in it, the check mark is never clickable. I tried making more beacons in creative with the same issue. I've tried different bases, different ores, re-logging, restarting.
Environment
Windows 10.X
Java Version
Surface Pro
Biome: Wooded Hills
Difficulty: Mix of peaceful and normal.
Duplicate of MC-146377