Perl execution error

I am getting errors when looking in spam email folders.

miniserv error log shows......
/mailboxes/list_mail.cgi : Perl execution failed : sdbm store returned -1, errno 0, key "lastchange" at boxes-lib.pl line 343.

Web page error gives.....

User Email

HTTP/1.0 500 Perl execution failed Server: VMCP/1.1 Date: Tue, 19 Jun 2007 13:53:31 GMT Content-type: text/html Connection: close
Error - Perl execution failed

sdbm store returned -1, errno 0, key "lastchange" at boxes-lib.pl line 343.

Status: 
Closed (fixed)