This is a Fantastico problem on that server (nothing to do with Moodle) ... you should contact your web hosting support helpdesk for help on this.
Installing and upgrading help
Upgrading problem (from 1.1.1 to 1.3.4)
Энэ мэтгэлцээн түгжигдсэн тул та цаашид хариулт өгөх боломжгүй