MySQL error in file: /engine/modules/show.short.php at line 66

Error Number: 3685

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

SQL query:

SELECT p.id, p.autor, p.date, p.short_story, CHAR_LENGTH(p.full_story) as full_story, p.xfields, p.title, p.category, p.alt_name, p.comm_num, p.allow_comm, p.fixed, p.tags, e.news_read, e.allow_rate, e.rating, e.vote_num, e.votes, e.view_edit, e.editdate, e.editor, e.reason FROM dle_post p LEFT JOIN dle_post_extras e ON (p.id=e.news_id) WHERE category regexp '[[:<:]](1|2|3|4|5|6|7|8|9|10|64|65|66|67|68|69|70|71|72|73|11|74|75|76|77|78|79|80|81|82|83|250|12|118|119|120|121|124|127|128|13|14|84|85|86|87|88|89|90|91|92|93|15|94|95|96|97|98|99|100|101|102|103|104|108|109|110|111|112|113|114|115|116|117|106|154|155|159|161|163|164|166|168|107|174|175|178|179|180|182|184|185|16|17|43|44|45|46|47|48|49|18|57|58|59|60|61|62|63|20|229|230|231|232|233|234|235|21|22|50|51|52|53|54|55|56|23|24|129|132|135|137|140|142|144|147|149|151|152|25|172|173|176|177|181|183|186|187|188|189|190|191|192|193|252|27|194|197|198|200|201|202|203|204|205|206|207|208|211|213|253|28|29|153|156|157|158|160|162|165|167|169|170|171|30|31|195|196|199|32|209|215|216|217|218|210|219|220|221|212|222|223|224|214|225|226|227|33|42|236|237|238|239|240|241|242|243|244|245|246|247|248|249|34|35|36|37|38|39|40|41)[[:>:]]' AND approve=1 AND date < '2024-04-18 16:36:13' ORDER BY fixed desc, date DESC LIMIT 0,5000