Found the following significant warnings:
  Rd warning: /tmp/Rtmp51pqob/R.INSTALL38e0ebae1cc/SOMbrero/man/lesmis.Rd:9: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmp51pqob/R.INSTALL38e0ebae1cc/SOMbrero/man/lesmis.Rd:15: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmp51pqob/R.INSTALL38e0ebae1cc/SOMbrero/man/lesmis.Rd:17: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmp51pqob/R.INSTALL38e0ebae1cc/SOMbrero/man/lesmis.Rd:18: file link ‘layout.fruchterman.reingold’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmp51pqob/R.INSTALL38e0ebae1cc/SOMbrero/man/lesmis.Rd:22: file link ‘shortest_paths’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmp51pqob/R.INSTALL38e0ebae1cc/SOMbrero/man/projectIGraph.Rd:39: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmp51pqob/R.INSTALL38e0ebae1cc/SOMbrero/man/projectIGraph.Rd:13: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmp51pqob/R.INSTALL38e0ebae1cc/SOMbrero/man/projectIGraph.Rd:19: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmp51pqob/R.INSTALL38e0ebae1cc/SOMbrero/man/superClass.Rd:65: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmp51pqob/R.INSTALL38e0ebae1cc/SOMbrero/man/superClass.Rd:82: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
  Rd warning: /tmp/Rtmp51pqob/R.INSTALL38e0ebae1cc/SOMbrero/man/superClass.Rd:151: file link ‘igraph’ in package ‘igraph’ does not exist and so has been treated as a topic
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/SOMbrero.Rcheck/00install.out’ for details.