This may happen because the linking page moved to another URL, was deleted, the page's content had changed, or the backlink itself was deleted or replaced by a link to your competitor.
ສິ່ງນີ້ອາດຈະເກີດຂື້ນເພາະວ່າ ຫນ້າ ທີ່ເຊື່ອມໂຍງໄດ້ຍ້າຍໄປທີ່ URL ອື່ນ, ຖືກລຶບ, ເນື້ອຫາຂອງ ຫນ້າ ເວັບໄດ້ປ່ຽນແປງ, ຫຼື backlink ຕົວມັນເອງຖືກລຶບອອກຫຼືປ່ຽນແທນໂດຍລິ້ງເຊື່ອມຕໍ່ກັບຄູ່ແຂ່ງຂອງທ່ານ.