System error in rt-2-1-69

RT Users
1

Hi all,
I have been trying to install rt-2-1-69 but I can’t access it via the web
interface.When I try to access it I get the login page and on trying to
login i get the following error:

error: Can’t locate object method “ClausesToSQL” via package
"RT::Tickets" at /usr/local/rt3/lib/RT/Tickets_Overlay.pm line 1931.

context: …
error: Can’t locate object method “ClausesToSQL” via package
"RT::Tickets" at /usr/local/rt3/lib/RT/Tickets_Overlay.pm line 1931.

context: …
1927: #print Dumper($data);
1928: push @{$clause{$field}}, $data;
1929: }
1930:
1931: my $sql =$self->ClausesToSQL(%clause);
1932: # print “SQL is $sql\n”;
1933:
1934: $self->FromSQL($sql);
1935:
…

code stack: /usr/local/rt3/lib/RT/Tickets_Overlay.pm:1931
/usr/local/rt3/lib/RT/Tickets_Overlay.pm:1722
/usr/local/rt3/share/html/Elements/MyTickets:36
/usr/local/rt3/share/html/index.html:32
/usr/local/rt3/share/html/autohandler:162

can anyone help me please?

Regards,
Eric