My guest list won't import either...comes up with -

Import Guest List
Step 4 of 4 - Finish Import
An error occured
An error has occured while processing your request. The error has been logged and our technical administrators will look into it as soon as possible.

{ts '2010-10-22 02:48:44'}

/import/guestlist/process.cfm

http://www.seatingarrangement.com/import/guestlist/review.cfm
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB6.5; InfoPath.2; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)77.102.168.254

WDDX packet parse error at line 1, column 190. XML document structures must start and end within the same entity..