哪位高手 麻烦给我解决管脚分配一下问题，太感谢了！

Error: Can't place multiple pins assigned to pin location Pin_169 (IOC_X28_Y19_N1)
        Info: Pin lcd_dat[4] is assigned to pin location Pin_169 (IOC_X28_Y19_N1)
        Info: Pin led[4] is assigned to pin location Pin_169 (IOC_X28_Y19_N1)
Error: Can't place multiple pins assigned to pin location Pin_170 (IOC_X28_Y19_N2)
        Info: Pin lcd_dat[3] is assigned to pin location Pin_170 (IOC_X28_Y19_N2)
        Info: Pin led[3] is assigned to pin location Pin_170 (IOC_X28_Y19_N2)
Error: Can't place multiple pins assigned to pin location Pin_171 (IOC_X28_Y19_N3)
        Info: Pin lcd_dat[5] is assigned to pin location Pin_171 (IOC_X28_Y19_N3)
        Info: Pin led[5] is assigned to pin location Pin_171 (IOC_X28_Y19_N3)
Error: Can't place multiple pins assigned to pin location Pin_173 (IOC_X25_Y19_N0)
        Info: Pin lcd_dat[2] is assigned to pin location Pin_173 (IOC_X25_Y19_N0)
        Info: Pin led[2] is assigned to pin location Pin_173 (IOC_X25_Y19_N0)
Error: Can't place multiple pins assigned to pin location Pin_175 (IOC_X23_Y19_N0)
        Info: Pin lcd_dat[6] is assigned to pin location Pin_175 (IOC_X23_Y19_N0)
        Info: Pin led[6] is assigned to pin location Pin_175 (IOC_X23_Y19_N0)
Error: Can't place multiple pins assigned to pin location Pin_180 (IOC_X18_Y19_N1)
        Info: Pin lcd_dat[1] is assigned to pin location Pin_180 (IOC_X18_Y19_N1)
        Info: Pin led[1] is assigned to pin location Pin_180 (IOC_X18_Y19_N1)
Error: Can't place multiple pins assigned to pin location Pin_181 (IOC_X18_Y19_N2)
        Info: Pin lcd_dat[7] is assigned to pin location Pin_181 (IOC_X18_Y19_N2)
        Info: Pin led[7] is assigned to pin location Pin_181 (IOC_X18_Y19_N2)
Error: Can't place multiple pins assigned to pin location Pin_182 (IOC_X18_Y19_N3)
        Info: Pin lcd_dat[0] is assigned to pin location Pin_182 (IOC_X18_Y19_N3)
        Info: Pin led[0] is assigned to pin location Pin_182 (IOC_X18_Y19_N3)

结合原理图，看看你硬件连接，再分配