Running examples in ‘MMMS-Ex.R’ failed
The error most likely occurred in:

> ### Name: get.score
> ### Title: Calculation of composite scores based on an interaction model
> ### Aliases: get.score
> 
> ### ** Examples
> 
>   # load the dataset
>   data(simdat)
>   attach(simdat)
>   
>   # get composite scores using an interaction model
>   score = get.score(time,event,treat,bio,covar,nfolds=5,alpha=0.5,
+                     pos.direction=FALSE)
Warning: from glmnet Fortran code (error code -30000); Numerical error at 0th lambda value; solutions for larger values of lambda returned
Warning in getcoef(fit, nvars, nx, vnames) :
  an empty model has been returned; probably a convergence issue
Warning: from glmnet Fortran code (error code -30000); Numerical error at 0th lambda value; solutions for larger values of lambda returned
Warning in getcoef(fit, nvars, nx, vnames) :
  an empty model has been returned; probably a convergence issue
Warning: from glmnet Fortran code (error code -30000); Numerical error at 0th lambda value; solutions for larger values of lambda returned
Warning in getcoef(fit, nvars, nx, vnames) :
  an empty model has been returned; probably a convergence issue
Warning: from glmnet Fortran code (error code -30000); Numerical error at 0th lambda value; solutions for larger values of lambda returned
Warning in getcoef(fit, nvars, nx, vnames) :
  an empty model has been returned; probably a convergence issue
Warning: from glmnet Fortran code (error code -30000); Numerical error at 0th lambda value; solutions for larger values of lambda returned
Warning in getcoef(fit, nvars, nx, vnames) :
  an empty model has been returned; probably a convergence issue
Warning: from glmnet Fortran code (error code -30000); Numerical error at 0th lambda value; solutions for larger values of lambda returned
Warning in getcoef(fit, nvars, nx, vnames) :
  an empty model has been returned; probably a convergence issue
Warning: from glmnet Fortran code (error code -30000); Numerical error at 0th lambda value; solutions for larger values of lambda returned
Warning in getcoef(fit, nvars, nx, vnames) :
  an empty model has been returned; probably a convergence issue
Error in intI(j, n = d[2], dn[[2]], give.dn = FALSE) : 
  index larger than maximal 0
Calls: get.score ... callGeneric -> eval -> eval -> [ -> [ -> subCsp_ij -> intI
Execution halted