help me figure out this bug

so all i needed left for this puzzle was the beach bird, but now all the other gems i had are gone and when i hover over them the plus symbol shows up. I’ve got a couple mods so i was thinking maybe that has something to do with it, but i have no idea what happened

so all i needed left for this puzzle was the beach bird, but now all the other gems i had are gone and when i hover over them the plus symbol shows up. I’ve got a couple mods so i was thinking maybe that has something to do with it, but i have no idea what happened