Karding, afaik, a post can only have 5 smilies and/or images, and that includes the smily/image inside the post you quoted. so if there's more than 5 smilies/images within your post, then that page will appear. kanito din yun kapag nag edit ka tapos nagdagdag ka ng smily or image.

i would like to suggest to our admins to put a warning message/page after clicking on the submit reply when this happens. thanks.