SQL ERROR

ERROR: Wrong SQL expression

SQL Expression: SELECT DISTINCT h.project_id, p.project_alias, p.project_name FROM demo_kernel_host h, demo_kernel_project p WHERE 1 AND host_pattern = 'b-nn.ru' AND h.project_id=p.project_id AND h.host_active='enabled' AND p.project_active='enabled'Error ():

Debug mode:	ON
Page:	http://b-nn.ru/supply/?page=2
Request:	page = [2]