Internal Error

Exception:
	[1] Sorry, couldn't create a new CathDB object cathdb_v3_4_0 on godzilla
Sorry, we were unable to automatically email the CATH tech team of this error. If this problem persists, please contact us on the email address below
Exception:
	[0] At /usr/local/svn/v5.0/lib/CathUtils.pm (252) in CathUtils::mail('cathweb@biochem.ucl.ac.uk', 'External CGI Exception (127.0.0.1)', '
Exception:\x{a}\x{9}[1] Sorry, couldn't create...', 'HASH(0x147b7058)'):
		Sat Aug 29 13:33:01 2015 : "sendmail" does not appear to be running on "caffdubya".  Please contact IT support to resolve this problem.
	[1] At /usr/local/svn/v5.0/lib/CathCGI.pm (766) in CathCGI::abort('CathCGI=HASH(0x147b6f20)', 'Exception=HASH(0x147b7130)'):
	[2] At /usr/local/svn/v5.0/lib/CathCGI.pm (600) in CathCGI::_init('CathCGI=HASH(0x147b6f20)', undef):
	[3] At /usr/local/svn/v5.0/lib/CathCGI.pm (492) in CathCGI::new('CathCGI'):
	[4] At /usr/local/svn/v5.0/cgi/CathedralServer.pl (48) in main::__ANON__():
	[5] At /export/apps/perl-5.10.1/lib/site_perl/5.10.1/Try/Tiny.pm (76) in eval {...}:
	[6] At /export/apps/perl-5.10.1/lib/site_perl/5.10.1/Try/Tiny.pm (67) in Try::Tiny::try('CODE(0x147b0010)', 'Try::Tiny::Catch=REF(0x117b4800)'):
	[7] At /usr/local/svn/v5.0/cgi/CathedralServer.pl (82) in Perl: