Ok, so my account apparently got removed. I used to have the same username, but I had a dog profile pic and a little over 100 posts. Just logged in after about 3 months, and my profile is gone. Can someone plz help me?

Ok, so my account apparently got removed. I used to have the same username, but I had a dog profile pic and a little over 100 posts. Just logged in after about 3 months, and my profile is gone. Can someone plz help me?