The principle reason for AD software introduced FIG PCB appear when unknow pin of FIG.

There are three reasons for the case of AD software PCB schematic introduced when unknow pin of FIG appears:

1.没有封装 2.封装管教缺失 3.管脚号不匹配

Common green and error method of complete elimination:
design rule checking, select the room to check,
click to select batch, batch shut down all rule checking,
leaving at regular intervals in the Electrical short circuit rule, open rules;

Finally, set the appropriate spacing.