Database error

A database query error has occurred. This may indicate a bug in the software.

• Query:
  SELECT img_timestamp,img_name,img_name AS thumb,img_size,img_user_text,img_description,COUNT(oi_archive_name) AS count,img_user AS img_user FROM "image" LEFT JOIN "oldimage" ON ((oi_name = img_name)) WHERE (img_timestamp>='2017-10-21 18%3A42%3A20%2B00') GROUP BY img_user,img_timestamp,img_name,img_size,img_user_text,img_description ORDER BY img_timestamp LIMIT 1
• Function: IndexPager::buildQueryInfo (ImageListPager)
• Error: 22007 ERROR: invalid input syntax for type timestamp with time zone: "2017-10-21 18%3A42%3A20%2B00" LINE 1: ... ON ((oi_name = img_name)) WHERE (img_timestamp>='2017-10-2... ^