求助！后端报错Exceed routing grid points是什么问题？

yiw_1

遇到问题，试了许多途径均未能解决，甚至连问题是什么意思都搞不清楚，请大家帮帮忙吧！用SE做版图时，Wroute步骤遇到的问题：*ERROR* Exceeding a maximum of 5000000 routing grid points, 1283x1006!

相关的报告如下：
……
#---{13:53:18 * WROUTE : End pass 1 optimization: cpu: 0:00:02, real: 0:00:03, peak: 49.78 megs.}
#---{13:53:18 * WROUTE : End global routing: cpu: 0:00:31, real: 0:00:32, peak: 49.78 megs.}
#---{13:53:18 * WROUTE : }
#---{13:53:18 * WROUTE : Begin final routing ...}
#---{13:53:18 * WROUTE : Begin building data ...}
#---{13:53:18 * WROUTE : End building data: cpu: 0:00:00, real: 0:00:00, peak: 49.78 megs.}
#---{13:53:20 * WROUTE : }
#---{13:53:20 * WROUTE : Begin routing ...}
#---{14:04:37 * WROUTE : *ERROR* Exceeding a maximum of 5000000 routing grid points, 1283x1006!}
#---{14:04:37 * WROUTE : }
#---{14:04:37 * WROUTE : Begin checkin products ...}
#---{14:04:37 * WROUTE : Envisia_SE_ultra_place_route}
#---{14:04:37 * WROUTE : Silicon_Ensemble_DSM}
#---{14:04:37 * WROUTE : End checkin products.}
#---{14:04:37 * WROUTE : }
#---{14:04:38 * WROUTE : *ERROR* WROUTE FAILED!}
详细的Wroute过程报告见附件
跪求问题解决方法……感激涕零……