1.2.5 version fails

hello,

I think in this 11th line the array ?\ not good. My site crashed because of it :/
https://plugins.trac.ww.wp.xz.cn/changeset?old_path=%2Fbold-timeline-lite%2Ftags%2F1.2.4%2FBTCrushUtil.php&old=3269448&new_path=%2Fbold-timeline-lite%2Ftags%2F1.2.5%2FBTCrushUtil.php&new=&sfp_email=&sfph_mail=

BR,
Istvan