这是我在Powerpcb中用“I”(无模命令“I”进行数据库的完整性检测)检测出来的，不知

这是我在Powerpcb中用“I”(无模命令“I”进行数据库的完整性检测)检测出来的，不知什么意思，请达人指点！

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Database Integrity Test Report on file 200C-NEW-25.pcb -- Fri Nov 03 15:09:47 2006

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WARNING: Drawing on layer Unknown near (-12740.2, -8142.75) (Name: MOSSOT23, Id: 1325) has incorrect pickbox
   (-60, -55) (60, 45)
CORRECTION: Pickbox updated, new pickbox:
   (28000, 28000) (-28000, -28000)

WARNING: Decal(Symbol) MOSSOT23 (Id: 12) has incorrect pickbox
   (-60, -57) (60, 66)
CORRECTION: Pickbox updated, new pickbox:
   (-55.5, -57) (55.5, 66)