(unknown charset) Oracle report server crash, runtime error R6018

From: (unknown charset) Grinalds <g.geks_at_konts.NOSPAM.lv>
Date: Thu, 30 Apr 1998 10:17:04 +0200
Message-ID: <3548256F.5727DEFC_at_konts.NOSPAM.lv>

When I close report in preview, Reports server crash down and leave message on disk:

runtime error R6018
- unexpected heap error

Any ideas?
 

Grinalds Received on Thu Apr 30 1998 - 10:17:04 CEST