MySQL Syntax Error from NextGen

Using the latest version of NextGen gallery. The following invalid SQL is generated

SELECT * FROM wp_ngg_pictures WHERE (exclude = 0) AND (galleryid IN (15)) ORDER BY ABS(sortorder) ASC, sortorder ASC LIMIT -20, 20

and is triggered by M_NextGen_Basic_Gallery->render

http://ww.wp.xz.cn/plugins/nextgen-gallery/