Unknown column 'lu_blogs.i1' in 'field list'

select lu_items_maps.*,lu_blogs.title,lu_blogs.map,lu_blogs.rewrite_url,lu_blogs.rating,lu_blogs.votes,lu_blogs.picture ,lu_blogs.i1,lu_blogs.i2,lu_blogs.i3,lu_blogs.i4,lu_blogs.i5,lu_blogs.i6,lu_blogs.i7,lu_blogs.i8,lu_blogs.i9,lu_blogs.i10,lu_blogs.i11,lu_blogs.i12,lu_blogs.i13,lu_blogs.i14,lu_blogs.i15,lu_blogs.i16,lu_blogs.i17,lu_blogs.i18,lu_blogs.i19,lu_blogs.i20,lu_blogs.i21,lu_blogs.i22,lu_blogs.i23,lu_blogs.i24,lu_blogs.i25 from lu_items_maps,lu_cats_items,lu_blogs where lu_cats_items.c = '76' and lu_items_maps.latitude != 0.0000000 and lu_items_maps.longitude != 0.0000000 and lu_items_maps.latitude != -1 and lu_items_maps.longitude != -1 and lu_items_maps.what = 'b' and lu_cats_items.what = 'b' and lu_items_maps.n = lu_cats_items.n and lu_blogs.n = lu_items_maps.n