What happened here?

Hi everyone! I’m knitting a hat in 1x1 rib. Spending so much time on it. This would be my first actual project! But something happened here and I can’t understand what. Do I have to frog it?

Thank you for your help!

Hi everyone! I’m knitting a hat in 1x1 rib. Spending so much time on it. This would be my first actual project! But something happened here and I can’t understand what. Do I have to frog it?

Thank you for your help!