completed guild quest

Hi, I completed the Monster Slayer list several (game) weeks ago (several RL days ago) and Gil still won't recognize it :( I've tried: Restarting the game Restarting my Switch Killing more of each monster Killing tiger slimes outside the walnut room (saw that on Reddit) Speaking to Gil...

I've completed the community center and I'm working on the Missing Bundle. I've completed the Pepper Rex guild requirement but have yet to find a dinosaur egg. It gives me different bones. I'm worried this is a glitch because my game has another glitch where I can give the villagers ANYTHING...