Error

Command git clone --no-single-branch --depth 50 https://phongkhamdakhoanambo.vn/kinh-nguyet-keo-dai-20-ngay-la-do-dau-va-cach-chua-tri-tai-nha-174.html . failed: Cloning into '.'... fatal: https://phongkhamdakhoanambo.vn/kinh-nguyet-keo-dai-20-ngay-la-do-dau-va-cach-chua-tri-tai-nha-174.html/info/refs not valid: is this a git repository?