Google Base/Merchant centre feed doesn't work

Error parsing/validating XML feed
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Our system encountered an error when processing your XML data feed. Please see the following Help Centre topics for more information:

XML tag mismatch

Invalid RSS/Atom document format

Reference to undefined entity 'plusmn'.
Line: 41 Character: 574

</description><g:brand>Galaxy Yin-He</g:brand><g:condition>new</g:condition><g:id>50</g:id><g:image_link>http://prott.co.uk/image/cache/data/gal ... mpn>Galaxy T-2</g:mpn><g:price>16.9900</g:price><g:product_type>Blades</g:product_type><g:quantity>3</g:quantity><g:upc>Galaxy T-2</g:upc><g:weight>150.00g</g:weight></item><item><title>Galaxy W-5</title><link>http://prott.co.uk/index.php?route=prod ... li>Speed:9 <li>Control:9 <li>Plies:5+2 <li>Thickness:5.8&plusmn;0.2mm <li>Weight:85&plusmn;3g <li>Type:OFF- <p> <b>Yasaka Soft Carbon substitute</b>

speedingorange wrote:IM getting an error on my base feed

http://averncleaningsupplies.com/index. ... oogle_base

Code: Select all

Whitespace is not allowed at this location.
 Line: 1725 Character: 453

</description><g:brand>Numatic</g:brand><g:condition>new</g:condition><g:id>97</g:id><g:image_link>http://averncleaningsupplies.com/image/cache/data/Products/Numatic/hvx-200-22-500x500.jpg</g:image_link><g:mpn>HVX-200-22</g:mpn><g:price>124.9900</g:price><g:product_type>Cleaning Machines > Domestic Vacuums Wet & Dry</g:product_type><g:quantity>0</g:quantity><g:upc>HVX-200-22</g:upc><g:weight>6.60kg</g:weight></item><item><title>Charles Wet & Dry Hoover / Vacuum Cleaner, Numatic, CVC370-2</title><link>http://averncleaningsupplies.com/index.php?route=product/product&product_id=98</link><description><table border="0" bordercolor="#ffffff" cellpadding="5" cellspacing="5" width="100%">

The RSS displays fine, but wont submit to google if submited by the scheduler, im having the same problem on another site.