Error

Command git clone --no-single-branch --depth 50 https://phongkhamdakhoanambo.vn/20-cach-chua-benh-tri-tai-nha-don-gian-ma-hieu-qua-114.html . failed: Cloning into '.'... fatal: https://phongkhamdakhoanambo.vn/20-cach-chua-benh-tri-tai-nha-don-gian-ma-hieu-qua-114.html/info/refs not valid: is this a git repository?