print $id;Set-Cookie: ID=123456; path=/ Set-Cookie: preferences=font&Helvetica&size&12; path=/ Date: Sat, 19 Mar 2005 04:19:17 GMT Content-Type: text/html; charset=ISO-8859-1 Untitled Document Can't call method "value" on an undefined value at ./index.cgi line 17 (#1) (F) You used the syntax of a method call, but the slot filled by the object reference or package name contains an undefined value. Something like this will reproduce the error: $BADREF = undef; process $BADREF 1,2,3; $BADREF->process(1,2,3); Uncaught exception from user code: Can't call method "value" on an undefined value at ./index.cgi line 17. at ./index.cgi line 17