kaltura video is the best elgg plugin,but it has some error with elgg 1.5

I using kaltura 0.95 with elgg 1.5 and found some errors when I click "edit video" and "save video".

For me,kaltura video is the best elgg plugin but wonder why not so many contribute to fix the error. I hope my message will get respone from those who know how to fix the problems.Thanks!