I get error "svn: REPORT request failed on '/!svn/vcc/default'"

Please check your network connectivity to svn.kolmisoft.com:

[root@mor conf.d]# ping -c 100 svn.kolmisoft.com
PING svn.kolmisoft.com (213.197.141.162) 56(84) bytes of data.
64 bytes from svn.kolmisoft.com (213.197.141.162): icmp_seq=1 ttl=64 time=3.62 ms
64 bytes from svn.kolmisoft.com (213.197.141.162): icmp_seq=2 ttl=64 time=1.78 ms
64 bytes from svn.kolmisoft.com (213.197.141.162): icmp_seq=3 ttl=64 time=1.19 ms
64 bytes from svn.kolmisoft.com (213.197.141.162): icmp_seq=4 ttl=64 time=1.19 ms
64 bytes from svn.kolmisoft.com (213.197.141.162): icmp_seq=5 ttl=64 time=14.0 ms
64 bytes from svn.kolmisoft.com (213.197.141.162): icmp_seq=6 ttl=64 time=3.80 ms
64 bytes from svn.kolmisoft.com (213.197.141.162): icmp_seq=7 ttl=64 time=1.22 ms
64 bytes from svn.kolmisoft.com (213.197.141.162): icmp_seq=8 ttl=64 time=1.13 ms
64 bytes from svn.kolmisoft.com (213.197.141.162): icmp_seq=9 ttl=64 time=1.81 ms
64 bytes from svn.kolmisoft.com (213.197.141.162): icmp_seq=10 ttl=64 time=249 ms 

--- svn.kolmisoft.com ping statistics ---
10 packets transmitted, 100 received, 0% packet loss, time 9293ms
rtt min/avg/max/mdev = 1.131/27.924/249.363/73.907 ms
[root@mor conf.d]#

Make sure at summary you have 0% packet loss

See also

I have a problem with SVN