With the latest update, if you had an UPCOMING EVENTS module on your site, it works fine. That is, until you make a change to the module and hit save.
Then you are presented with this error (which I've verified on a live site and on my test site).
1064
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') group by b.slabId ORDER by b.dtstart asc limit 0,6' at line 15 SQL=select distinct(b.slabId), if(concat(b.startdate,' ',b.starttime) >= '2016-01-04 19:50:31' and b.startdate is not null,'y','n') as future_event , if(cut_off_date = 0000-00-00,'n',if('2016-01-04 19:50:31'> concat(cut_off_date,' ',cut_off_time),'y','n')) as cut_off ,b.cut_off_date, if('2016-01-04 19:50:31' < concat(bird_discount_date,' ',bird_discount_time) and bird_discount_type<>0 and bird_discount_type <> 3,'y','n') as bird , waiting_list ,a.* ,r.rp_id , b.* , c2.categoryId , c2.categoryName from ixn1e_dtregister_group_event b left join ixn1e_dtregister_event_categories ec on ec.event_id = b.slabId left join ixn1e_dtregister_categories as c2 on c2.categoryId = ec.category_id left join ixn1e_dtregister_categories as c on c2.lft >= c.lft and c2.lft <= c.rgt left join ixn1e_jevents_vevdetail a on a.evdet_id = b.eventId left join ixn1e_jevents_repetition r on r.eventdetail_id = a.evdet_id where if(ec.event_id IS not NUll, (c2.published = 1 and c2.access in(1,1,2,3,6,8,10,11,12)),1) and b.publish=1 and b.dtend >= '2016-01-04' and c.categoryId in() group by b.slabId ORDER by b.dtstart asc limit 0,6