phpBB • Free and Open Source Forum Software

Anybody can help me? I installed this "mini_profile" and running quite well. Thanks~ But... I got some little problem like image below. (1) How can I fixing it? This problem not so serious but annoying... :? After 2 time clicking on ID in viewtopic_body.tpl, this error sign had gone... Err...

I'm new customer of phpBB. Have a lot of question and need help from senior. Who know why oonly topic subject charater problem on my FORUM? Maybe is this lang_engl, lang_kor problem but isn't there solution without not changing lang at my phpBB folder? Other is topic move is not possible? FORUM and ...