Feed Challenge

I am having a feed challenge that I have been unable to resolve.

WordPress 2.1.2 Using podPress 7.5

http://earthharmonyhome.com/?feed=podcast

line 647, column 11: pubDate must be an RFC-822 date-time:

<pubDate></pubDate>
^

#

line 650, column 28: Undefined guid element: div (2 occurrences)

<guid isPermaLink=”false”><div id=’error’>
^

#

line 654, column 2: Undefined guid element: description (2 occurrences)

<description><![CDATA[
^

#

line 660, column 2: Undefined guid element: item (2 occurrences)

<item>