Unmotivated, stuck and unsure of what to do (Year 13)

Doe here, I'm in my second year of Sixth Form. After GCSE's I wasn't really sure of what to do, but my parents wanted me to do A-Levels at college. I took Film Studies, Media Studies and Enterprise and Entrepreneurship, as they sounded the least boring. Initially, I somewhat enjoyed Film and Media, however I hated E&E. I stopped going to E&E for months, however they only let me drop it at the start of Year 13, where they put me on a year of AS Applied Law. Over time, my motivation for my subjects began to decrease, and I stopped doing assignments. I was trying to work with the college to get it done, but I just couldn't do it. I'm on PIP for mental health and disabilities, and I don't have a clue what to do with my life. I’ve completely lost motivation and I feel like I can’t do this anymore. I need help.