Warning: Clock SWCLK used as data is different than capture clock SMCMD for inputs 2/3 of stable DFF (492977). (C26-1)
warning in PAD of internal BUS could not be placed anywhere, dropped design view of U_pad/U_SWDIO with 1 pins (B22-2)
这两个错是怎么引起的,要怎么解决