Found the following significant warnings:
  Rd warning: /home/hornik/tmp/scratch/Rtmp0qSG7K/R.INSTALL45b8149fb8b6/SOMbrero/man/lesmis.Rd:8: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmp0qSG7K/R.INSTALL45b8149fb8b6/SOMbrero/man/lesmis.Rd:14: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmp0qSG7K/R.INSTALL45b8149fb8b6/SOMbrero/man/lesmis.Rd:16: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmp0qSG7K/R.INSTALL45b8149fb8b6/SOMbrero/man/lesmis.Rd:17: file link ‘layout.fruchterman.reingold’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmp0qSG7K/R.INSTALL45b8149fb8b6/SOMbrero/man/lesmis.Rd:21: file link ‘shortest_paths’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmp0qSG7K/R.INSTALL45b8149fb8b6/SOMbrero/man/projectIGraph.Rd:39: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmp0qSG7K/R.INSTALL45b8149fb8b6/SOMbrero/man/projectIGraph.Rd:13: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmp0qSG7K/R.INSTALL45b8149fb8b6/SOMbrero/man/projectIGraph.Rd:19: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmp0qSG7K/R.INSTALL45b8149fb8b6/SOMbrero/man/superClass.Rd:52: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmp0qSG7K/R.INSTALL45b8149fb8b6/SOMbrero/man/superClass.Rd:78: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /home/hornik/tmp/scratch/Rtmp0qSG7K/R.INSTALL45b8149fb8b6/SOMbrero/man/superClass.Rd:146: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/SOMbrero.Rcheck/00install.out’ for details.