こんなメッセージ出てきたんやけど偽ポップアップちゃうよな？

Software error:

Can't locate object method "ENV" via package "HTTP_USER_AGENT" (perhaps you forgot to load "HTTP_USER_AGENT"?) at ../../test/bbs-main.cgi line 14562.
For help, please send mail to the webmaster (5ch@lokitechnology.com), giving this error message and the time and date of the error.