I was playing with my friend on our server (powered by aternos) and was marking banners on a map, but the second banner would always turn black
Steps to reproduce: Grab a map (0/4) and banner
2. re-name the banner
3.right-click the hitbox of the banner with the map
4. get a second banner
5. do the same thing (right click it with the same map) and see that the first banner is the right color, but the second one is black
Cannot confirm. Both maps work as expected.