Watchers not receiving email

This is there error I get when I comment something in the WebUI… any
Help would be appreciated…

Use of uninitialized value in pattern match (m//) at
/usr/lib/perl5/site_perl/5.
6.0/DBIx/SearchBuilder.pm line 921, line 22.
Use of uninitialized value in concatenation (.) at
/usr/lib/perl5/site_perl/5.6.
0/DBIx/SearchBuilder.pm line 111, line 22.
now requiring RT::Condition::AnyTransaction
RT::Transaction=HASH(0x8814a00): Checking condition OnTransaction…
RT::Transaction=HASH(0x8814a00): Matches condition OnTransaction…
now requiring RT::Action::Notify
Use of uninitialized value in concatenation (.) at
/usr/lib/perl5/site_perl/5.6.
0/DBIx/SearchBuilder.pm line 111, line 22.
Use of uninitialized value in concatenation (.) at
/usr/lib/perl5/site_perl/5.6.
0/DBIx/SearchBuilder.pm line 111, line 22.
RT::Transaction=HASH(0x8814a00): Prepared NotifyOwner
RT::Action::Notify=HASH(0x887d080): No recipients found. Not sending.
RT::Transaction=HASH(0x8814a00): Committed NotifyOwner
now requiring RT::Condition::AnyTransaction
RT::Transaction=HASH(0x8814a00): Checking condition OnTransaction…
RT::Transaction=HASH(0x8814a00): Matches condition OnTransaction…
now requiring RT::Action::Notify
Use of uninitialized value in concatenation (.) at
/usr/lib/perl5/site_perl/5.6.
0/DBIx/SearchBuilder.pm line 111, line 22.
Use of uninitialized value in concatenation (.) at
/usr/lib/perl5/site_perl/5.6.
0/DBIx/SearchBuilder.pm line 111, line 22.
Use of uninitialized value in concatenation (.) at
/usr/lib/perl5/site_perl/5.6.
0/DBIx/SearchBuilder.pm line 111, line 22.
RT::Transaction=HASH(0x8814a00): Prepared NotifyAdminCcs
RT::Action::Notify=HASH(0x88ba1b8): Could not send mail for
RT::Transaction=HASH
(0x88042f8)
RT::Transaction=HASH(0x8814a00): Failed to commit NotifyAdminCcs
now requiring RT::Condition::AnyTransaction
RT::Transaction=HASH(0x8814a00): Checking condition OnTransaction…
RT::Transaction=HASH(0x8814a00): Matches condition OnTransaction…
now requiring RT::Action::Notify
Use of uninitialized value in concatenation (.) at
/usr/lib/perl5/site_perl/5.6.
0/DBIx/SearchBuilder.pm line 111.
Use of uninitialized value in concatenation (.) at
/usr/lib/perl5/site_perl/5.6.
0/DBIx/SearchBuilder.pm line 111.
Use of uninitialized value in concatenation (.) at
/usr/lib/perl5/site_perl/5.6.
0/DBIx/SearchBuilder.pm line 111.
Use of uninitialized value in concatenation (.) at
/usr/lib/perl5/site_perl/5.6.
0/DBIx/SearchBuilder.pm line 111.
RT::Transaction=HASH(0x8814a00): Prepared NotifyRequestorsAndCcs
RT::Action::Notify=HASH(0x889ce90): No recipients found. Not sending.
RT::Transaction=HASH(0x8814a00): Committed NotifyRequestorsAndCcs
now requiring RT::Condition::AnyTransaction
RT::Transaction=HASH(0x8814a00): Checking condition OnCreate…
RT::Transaction=HASH(0x8814a00): Matches condition OnCreate…
now requiring RT::Action::Autoreply
Use of uninitialized value in concatenation (.) at
/usr/lib/perl5/site_perl/5.6.
0/DBIx/SearchBuilder.pm line 111.
RT::Transaction=HASH(0x8814a00): Prepared AutoreplyToRequestors
Use of uninitialized value in array dereference at
/opt/rt2/lib/RT/Action/SendEm
ail.pm line 84.
Use of uninitialized value in array dereference at
/opt/rt2/lib/RT/Action/SendEm
ail.pm line 86.
Use of uninitialized value in array dereference at
/opt/rt2/lib/RT/Action/SendEm
ail.pm line 106.
RT::Transaction=HASH(0x8814a00): Committed AutoreplyToRequestors
Ticket 992 created in queue ‘system-admin’