gourmand frog

I need help with the gourmand frog. What would you recommend I do to check why this bug takes place? I have quit and re-opened the game. Anything else I can do? really want those last walnuts... Thank you

Hi, I'm playing on the Switch. I'm having an issue with the Gourmand Frog not recognising that I'm growing a melon. He just says he hopes that I'm growing a melon, and there's no option to bring up the dialogue to tell him that I'm growing a melon. The melon is ripe (I tried to pick it to check...