Unexpected Error on Add for a CustomerPayment

We are getting unexpected errors on some of our CustomerPayment adds.
It happens repeatedly for the same objects. It's been doing this since yesterday morning. We are using the PHP Toolkit.

=========== Exception 2012-03-13T15:24:57-06:00 ===========                                                                                                                                                                                                                      exception 'Exception' with message 'An unexpected error occurred. Error ID: gzrg97ci52ps9ldwalt3' in /var/www/pmoroney/name.com/system/application/libraries/accounting/netsuite.php:2399                                                                                        Stack trace:                                                                                                                                                                                                                                                                     #0 /var/www/pmoroney/name.com/system/application/models/order/transaction.php(959): Netsuite->__call('add', Array)                                                                                                                                                               #1 /var/www/pmoroney/name.com/system/application/models/order/transaction.php(959): Netsuite->add(Object(netsuitensComplexObject))                                                                                                                                              #2 /var/www/pmoroney/name.com/system/application/models/order/transaction.php(317): modelTransaction->uploadPaymentToNetsuite()                                                                                                                                                 #3 /var/www/pmoroney/name.com/system/application/bin/accounting/upload_to_netsuite.php(62): modelTransaction->uploadToNetsuite(true)                                                                                                                                            #4 {main}                                                                                                                                                                                                                                                                        =========== Request Headers ===========                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           =========== Request ===========                                                                                                                                                                                                                                                  <?xml version="1.0" encoding="UTF-8"?>                                                                                                                                                                                                                                           <SOAP-ENV:Envelope xmlns:SOAP-ENV="