Error

Command git clone --no-single-branch --depth 50 https://phongkhamdakhoanambo.vn/1-thang-co-kinh-nguyet-3-lan-co-nguy-hiem-khong-thuoc-chua-tri-28.html . failed: Cloning into '.'... fatal: https://phongkhamdakhoanambo.vn/1-thang-co-kinh-nguyet-3-lan-co-nguy-hiem-khong-thuoc-chua-tri-28.html/info/refs not valid: is this a git repository?