做聚类分析的时候遇到这个错误，求大神指教，每句话什么意思，是那里出错了，应该如何改正，感谢感谢~！

>-devAskNewPage(ask=TRUE)
>-nbclust<-NbClust(mydata.scaled,distance="euclidean",min.nc=2,max.nc=15,method="average")
Error in solve.default(W) :
  system is computationally singular: reciprocal condition number = 1.85374e-17
In addition: Warning message:
In pf(beale, pp, df2) : NaNs produced