checksetup output 2

Removing existing compiled templates...
Precompiling templates...done.
Fixing file permissions...
Adding foreign key: bug_cf_locales.bug_id -> bugs.bug_id...
DBD::mysql::db do failed: Can't create table './bugzilla/#sql-8c2_4ec02.frm' (errno: 121) [for Statement "ALTER TABLE bug_cf_locales ADD
     CONSTRAINT fk_bug_cf_locales_bug_id_bugs_bug_id FOREIGN KEY (bug_id)
     REFERENCES bugs(bug_id)
      ON UPDATE CASCADE ON DELETE CASCADE"] at Bugzilla/DB.pm line 515
        Bugzilla::DB::bz_add_fk('Bugzilla::DB::Mysql=HASH(0xa819970)', 'bug_cf_locales', 'bug_id', 'HASH(0xc339fc0)') called at Bugzilla/Install/DB.pm line 3055
        Bugzilla::Install::DB::_add_foreign_keys_to_multiselects() called at Bugzilla/Install/DB.pm line 546
        Bugzilla::Install::DB::update_table_definitions('HASH(0x8eeb9c8)') called at checksetup.pl line 191