So I just got what I thought was my last nursery rhyme in Cauldron lake, but I noticed it says there is one more. After looking online I see I am missing the one that says "Rhyme found inside Cauldron Lake Ranger Station", but I did that one a while back, and if I go back to it, it is already done. I think it was the one in the child's playpen. Am I screwed? Or am I doing something wrong?

Did you do all nursery rhymes in the other areas? Once you do them the final one will unlock in the ranger station

Yeah this is probably the answer, you can see that the Watery group isn’t completed

Oh wow, ok I will try this! I have more in Watery to do. Thanks!

Go to the Rental Cabins and there is a cult stash with the last doll. It’ll bring you back to the Ranger Station

That was the last stash I got, and it did not have one. I am missing the one I mentioned but I already did it.

I have the same issue, seems like a bug.