求助改错

我在从ORCAD导入到Allegro中时，有好多警告，这些警告是什么意思呀?麻烦各位高手给解答一下！谢谢！

警告如下：#1 Warning [ALG0047] "No_connect" property on Pin "U6.12" ignored for U6: 09USB, USB (2.70, 2.40). Connecting pin to net "N17348296".
#2 Warning [ALG0047] "No_connect" property on Pin "U6.13" ignored for U6: 09USB, USB (2.70, 2.40). Connecting pin to net "N17347940".
#6 Warning [ALG0016] Part Name "POWER CONNECTOR_DC-3PD013_POWER JACK" is renamed to "POWER CONNECTOR_DC-3PD013_POWER".
#7 Warning [ALG0016] Part Name "SOCKET-SD_SDSOCKET_MMC/SD SOCKET0" is renamed to "SOCKET-SD_SDSOCKET_MMC/SD SOCKE".
#11 Warning [ALG0040] Value of Property "Device" missing from instance FB?: 06 Video, vedio (0.90, 2.70).
#12 Warning [ALG0040] Value of Property "Device" missing from instance FB5: 07 Z228, Z228 (15.90, 13.50).
#36 Warning [ALG0051] Pin "SCANENABLE/ETMSCANENABLE/ARMSCANENABLE" is renamed to "SCANENABLE/ETMSCANENABLE/ARMSCA" after substituting illegal characters in Package Z228-2AA , U11A: 07 Z228, Z228 (2.60, 0.30).
#37 Warning [ALG0051] Pin "BISTEN/mbist_mbrun_i/BISTEN/CORESCAN_SCANIN39" is renamed to "BISTEN/MBIST_MBRUN_I/BISTEN/COR" after substituting illegal characters in Package Z228-2AA , U11A: 07 Z228, Z228 (2.60, 0.30).