A Database Error Occurred

Error Number: 1054

Unknown column 'conferences' in 'where clause'

SELECT id FROM accommodation WHERE approved = 1 AND (type = 19 OR type1 = 19) AND `conferences` = 1 AND (town LIKE 'Plymouth' OR village LIKE 'Plymouth' OR ((lat-50.3825<0.05 && lat-50.3825>-0.05) AND (lon--4.14253<0.05 && lon--4.14253>-0.05)))