Invalid [] range "}-\x" before HERE mark in regex m/([\x{100}-\x << HERE {ffff}])/
Compilation failed in require at templates.pl line 3.
BEGIN failed--compilation aborted at templates.pl line 3.
Compilation failed in require at /usr421/home/d/o/dosgroup/public_html/kareha.pl line 14.
BEGIN failed--compilation aborted at /usr421/home/d/o/dosgroup/public_html/kareha.pl line 14.
That's because you're opening a character class with [, then trying to add a range of } - \x, which is clearly invalid. From the looks of things, you didn't actually want a character class; in which case you should escape the [ and ] with \'s.