Strange error

Hello,

When we try to connect to RT, we get the following message, instead of the
login page.
Any ideas as to what would be causing this?

Thanks.

Shawn

System error

error:
RT Couldn’t write to session directory ‘/opt/rt3/var/session_data’:
DBD::mysql::st execute failed: Can’t open file: ‘sessions.MYI’. (errno: 145)
at /usr/share/perl5/Apache/Session/Store/DBI.pm line 42.

Stack:
[/usr/share/perl5/Apache/Session/Store/DBI.pm:42]
[/usr/share/perl5/Apache/Session.pm:515]
[/usr/share/perl5/Apache/Session.pm:462]
[/usr/share/perl5/Apache/Session/Store/DBI.pm:42]
[/opt/rt3/share/html/autohandler:51]
. Check that this dir ectory’s permissions are correct. at
/opt/rt3/share/html/Elements/SetupSessionCookie line 64.

context:

60:
};

61:
undef $cookies{‘RT_SID’};

62:
}

63:
else {

64:
die “RT Couldn’t write to session directory ‘$RT::MasonSessionDir’: $@.
Check that this dir ectory’s permissions are correct.”;

65:
}

66:
}

67:

68:
if ( !$cookies{‘RT_SID’} ) {

code stack:
/opt/rt3/share/html/Elements/SetupSessionCookie:64
/opt/rt3/share/html/autohandler:51