为什么拖拉checkbox后弹出一个failed to parse file的错误

Question

Failed to parse file C:\Users\tao\workspace\appcompat_v7\res\drawable\abc_btn_checkbox_checked_mtrl.xml

Failed to parse file C:\Users\tao\workspace\appcompat_v7\res\drawable\abc_btn_check_material.xml

Exception details are logged in Window > Show View > Error Log