我在计算时MSG文件出现如下错误

我在计算时MSG文件出现如下错误，是不是由于节点数太多啦？该如何处理这个问题？  
 
ERROR: SPECIFIED STANDARD_MEMORY VALUE OF 8000000 IS TOO SMALL TO RUN THE  
NALYSIS. STANDARD_MEMORY MUST BE INCREASED. MINIMUM POSSIBLE VALUE IS  
23477555. LOOK AT MEMORY ESTIMATES SECTION OF .dat FILE FOR FURTHER  
INFORMATION ?