MySQL error in file: /engine/modules/show.full.php at line 41

Error Number: 1525

The Error returned was:
Incorrect DATETIME value: '--'

SQL query:

SELECT * FROM drw_post LEFT JOIN drw_post_extras ON (drw_post.id=drw_post_extras.news_id) WHERE alt_name ='' AND date >= '--' AND date < '--' + INTERVAL 24 HOUR LIMIT 1