Error (10327):VHDL error at Vhdl1.vhd(16):can't determine definition of operator ""

Error (10327):VHDL error at Vhdl1.vhd(16):can't determine definition of operator ""
Error (10327):VHDL error at Vhdl1.vhd(16):can't determine definition of operator ""

Error (10327):VHDL error at Vhdl1.vhd(16):can't determine definition of operator ""
你要把代码贴出来才看得出来啊~
这个Error的字面意思是：无法确定操作符""