MySQL error in file: /engine/tours/country-list.php at line 160

Error Number: 3685

The Error returned was:
Illegal argument to a regular expression.

SQL query:

SELECT SQL_CALC_FOUND_ROWS top_read, e.is_cashback, e.fixed, e.id, e.approve, e.transport, e.is_price, e.prog_price, e.prog_price_sp, e.price_sp, e.prog_price_t, e.prog_action, e.prog_tip, e.prog_day, e.rating, e.vote_num, e.comm_num, e.prog_img, e.xfields, e.images, e.prog_city_new, e.prog_country, e.prog_title, e.prog_short, e.prog_type, e.prog_time, e.prog_time_start, MIN(d.date) AS date FROM dle_magput_dates d RIGHT OUTER JOIN dle_magput e ON d.id_tours = e.id WHERE e.prog_country regexp '[[:<:]](66)[[:>:]]' AND e.approve=1 AND d.date GROUP BY e.id ORDER BY top_read desc LIMIT 0,20