Canadian citizen and stayed in USA 2019 till 2022 over stayed but was minor that time when turn 18 went back to Canada and came back to USA as visitor cuz collage in USA said i m visa exempt cuz I’m a Canadian citizen and after collage start they told me I need a stamp I have to go back and come back I went to USA side on bridge custom border patrol officer and asked I need stamp on i20 he asked I over stayed in 2019 I try to explain he didn’t listen to me and said I have to go cross the border and come back to get stamp but at the end he said good luck coming back in USA I don’t know what to do can anyone help me . I didn’t do anything on purpose I didn’t know that I can’t stay in USA that long cuz school gave me admission I told them I’m Canadian