Running examples in 'linkcomm-Ex.R' failed
The error most likely occurred in:

> ### Name: get.shared.nodes
> ### Title: Get Nodes Shared by Communities
> ### Aliases: get.shared.nodes
> 
> ### ** Examples
> 
> ## Generate graph and extract link communities.
> g <- swiss[,3:4]
> lc <- getLinkCommunities(g)

   Checking for loops and duplicate edges... 0.000%
   Checking for loops and duplicate edges... 2.174%
   Checking for loops and duplicate edges... 4.348%
   Checking for loops and duplicate edges... 6.522%
   Checking for loops and duplicate edges... 8.696%
   Checking for loops and duplicate edges... 10.870%
   Checking for loops and duplicate edges... 13.043%
   Checking for loops and duplicate edges... 15.217%
   Checking for loops and duplicate edges... 17.391%
   Checking for loops and duplicate edges... 19.565%
   Checking for loops and duplicate edges... 21.739%
   Checking for loops and duplicate edges... 23.913%
   Checking for loops and duplicate edges... 26.087%
   Checking for loops and duplicate edges... 28.261%
   Checking for loops and duplicate edges... 30.435%
   Checking for loops and duplicate edges... 32.609%
   Checking for loops and duplicate edges... 34.783%
   Checking for loops and duplicate edges... 36.957%
   Checking for loops and duplicate edges... 39.130%
   Checking for loops and duplicate edges... 41.304%
   Checking for loops and duplicate edges... 43.478%
   Checking for loops and duplicate edges... 45.652%
   Checking for loops and duplicate edges... 47.826%
   Checking for loops and duplicate edges... 50.000%
   Checking for loops and duplicate edges... 52.174%
   Checking for loops and duplicate edges... 54.348%
   Checking for loops and duplicate edges... 56.522%
   Checking for loops and duplicate edges... 58.696%
   Checking for loops and duplicate edges... 60.870%
   Checking for loops and duplicate edges... 63.043%
   Checking for loops and duplicate edges... 65.217%
   Checking for loops and duplicate edges... 67.391%
   Checking for loops and duplicate edges... 69.565%
   Checking for loops and duplicate edges... 71.739%
   Checking for loops and duplicate edges... 73.913%
   Checking for loops and duplicate edges... 76.087%
   Checking for loops and duplicate edges... 78.261%
   Checking for loops and duplicate edges... 80.435%
   Checking for loops and duplicate edges... 82.609%
   Checking for loops and duplicate edges... 84.783%
   Checking for loops and duplicate edges... 86.957%
   Checking for loops and duplicate edges... 89.130%
   Checking for loops and duplicate edges... 91.304%
   Checking for loops and duplicate edges... 93.478%
   Checking for loops and duplicate edges... 95.652%
   Checking for loops and duplicate edges... 97.826%
   Checking for loops and duplicate edges... 100.000%
   Found and removed 4 loop(s)
   Found and removed 2 duplicate edge(s)

   Calculating edge similarities for 41 edges... 0.00%
   Calculating edge similarities for 41 edges... 2.56%
   Calculating edge similarities for 41 edges... 5.13%
   Calculating edge similarities for 41 edges... 7.69%