MySQL error in file: /engine/modules/articles/full_page.php at line 60

Error Number: 1139

The Error returned was:
Got error 'nothing to repeat at offset 43' from regexp

SQL query:

SELECT id, title_ru, title_lv FROM dm_post WHERE keywords REGEXP '[[:<:]](Atkal| preci| noteikti| līderiem????????????tas| pasaules| istabai| vannas| virtuvei| savai| kvalitatīvu| jāpilda| izvēlies| ????????labāk| krāni| lētie| jāmaina| funkcijas| santehniķa| atmaksāsies)[[:>:]]' and id != '4830' LIMIT 4