Woke Up And My Knee Hurts After Running For 30 Mins My Knee Started Hurting, When I Woke Up Nxt Day I Cant Even Bend It Why??

After running for 30 mins my knee started hurting, when i woke up nxt day i cant even bend it why?? - woke up and my knee hurts

I can not go, and put no weight on this issue at all ... I'm not very heavy and has never happened?

If I do the things I Volume knees tonight?