Very odd issue since last scores reset

[tarball]

People that submit their scores, without entering any comments, instead of being empty, it will show "a", as comment.

Very odd!

Any advise ?

[Hippy]

add the arcade.php posted here
has a fix for ibp_clean
https://vborg.vbsupport.ru/showthread.php?t=282802
thats if your running the latest version