[root@observium2 observium]# svn update
svn: E155036: Please see the 'svn upgrade' command
svn: E155036: Working copy '/opt/observium' is too old (format 10, created by Subversion 1.6)
observium version 0.15.9.7054
svn version 1.7.4
CentOS release 6.7
--
Zach Underwood (RHCE,RHCSA,RHCT,UACA)