使用JWplayer时无法加载播放器

I'm using JWPlayer 6 in my django website. I want to display different videos on the same page. Due to the fact that I'm iterating over objects, I can't assign different class id's to Jwplayer tag. So when I load it, one video will display while the other will pop out this error:I'm using JWPlayer 6 in my django website. I wa