Earlier, while eating, not at the usual time (8am), I got the message that i was carrying too much, and it dropped the lake reeds that I was eating, even though I only had 32 items in my inventory. I couldn't pick them back up unless I dropped something, so I dropped my rocks and picked the lake reeds back up. I continued my life for a little while, with 31 items in my inenvotry, but then I got the message again, and now I only have 30 items and can't pick up my lake reeds again.
I am used to the inventory being much bigger than that, closer to 90 items. I can provide a save. It is my character Reko.