设置好区域约束后任然提示DRC错误，请教原因

Nicolas-Y

我对一块BGA芯片已经设置了区域约束，步骤应该是正确的，约束条件如下
file:///C:/Documents%20and%20Settings/Administrator/Application%20Data/Tencent/Users/425987769/QQ/WinTemp/RichOle/1RTLUHQ}AZUB9TO0RB%0JZJ.jpg
' |" F( T/ Y& v6 k+ R1 X- R& B7 D
可以任然提示错误，
[img]file:///C:/Documents%20and%20Settings/Administrator/Application%20Data/Tencent/Users/425987769/QQ/WinTemp/RichOle/1`7U_GH2GHGNX[CGQDFG4YA.jpg[/img]
) y" s+ y3 h9 K9 S貌似没约束成功，请教高手原因何在，小弟困惑好久了！！！