Me! I used to be a lead, the person everyone went to for help. Now I'm the person everyone questions and thinks incompetent

I was working a project for almost two years. I asked for help but was told that I'm doing a great job. After a year I got severely burnt out. I continued to ask for help. I begged for help. I told my manager that I'm burnt out and can't do the job. I told my manager that this is having a serious negative effect on my home life. I told my manager that I can't trust the output of my work because I keep making mistakes

The only replies I got were, "you're doing a great job!!! They even gave me an award for the work I had been putting in

Eventually I did make a huge mistake so they got me some help. It was way too late

It's been almost 1.5 years since I was removed from the project after I told them that I absolutely will not work it anymore. I'm still burnt out and cannot even do the basic functions of the job. My team questions nearly everything I do and has no confidence in me. I work remote and just logging in gives me a sense of dread and anxiety. Everytime I get a task my mood sinks lower because I question if I can even complete it or if I make a mistake and others pick up on it. My lead is frustrated with me and talks to my manager about how I can't do this job.

My manager knows I'm burnt out and has been giving me a pass. But after 1.5 years in getting worse, not better. I don't know how long my employer will wait until they say something or start giving me bad reviews

I talked to my doctor who agreed to give me time off. Hopefully I can recharge and go back to work. If not then I don't know what I'm going to do