I do not understand why this image I attached to my father is restricted.
Did you get an email regarding the problem? I've had to take down images because they were copy written or inappropriate (my mother appeared as a child in a bathing suit and the moderator rejected it). Is your father living? That might be another reason. You can submit a request for an explanation.
I am so sorry that your photo was restricted. Here are a couple of a great articles found in the Help Center (clicking on the round circle with the question mark in the upper right corner of your screen) https://www.familysearch.org/help/helpcenter/article/why-does-it-say-that-my-photo-is-restricted
When a memory item appears to violate the rules and guidelines, FamilySearch takes these actions: