Tim Benoit reported this error on a fresh install:
The user I created has an Unlimited disk quota. When that user clicks "Administration Options -> Disk Usage" in WebMin, the following error is produced and the space info is all zeros:
HTTP/1.0 500 Perl execution failed Server: MiniServ/0.01 Date: Sat, 14 Oct 2006 22:47:23 GMT Content-type: text/html Connection: close
Error - Perl execution failed
Illegal division by zero at /usr/libexec/webmin/virtual-server/usage.cgi line 30.