cron error: wrong table name error {wiki_page} should be {wiki_pages}

here the error after running cron

[Thu Oct 28 14:12:00 2010] [error] [client 192.168.100.27] Default exception handler: Error reading from database Debug: Table 'moodle.mdl_wiki_page' doesn't exist\nSELECT 'x' FROM mdl_wiki_page WHERE id = ? LIMIT 0, 1\n[array (\n 0 => '7',\n)]\n* line 391 of /lib/dml/moodle_database.php: dml_read_exception thrown\n* line 691 of /lib/dml/mysqli_native_moodle_database.php: call to moodle_database->query_end()\n* line 1540 of /lib/dml/moodle_database.php: call to mysqli_native_moodle_database->get_recordset_sql()\n* line 1525 of /lib/dml/moodle_database.php: call to moodle_database->record_exists_sql()\n* line 1509 of /lib/dml/moodle_database.php: call to moodle_database->record_exists_select()\n* line 770 of /tag/lib.php: call to moodle_database->record_exists()\n* line 874 of /tag/lib.php: call to tag_cleanup()\n* line 313 of /lib/cronlib.php: call to tag_cron()\n* line 91 of /admin/cron.php: call to cron_run()\n