UPGREP Fails

We are upgrading from 8.1.1.3 SEA to 8.1.1.9 SIA and our UPGREP has failed with the following in the log file:

  alter table S_EVT_MAIL alter column "LAST_UPD_BY"                    nvarchar(15)         not null

2013-02-19 09:15:16 [Microsoft][SQL Native Client][SQL Server]Cannot create a row of size 8065 which is greater than the allowable maximum row size of 8060.

2013-02-19 09:15:16 

2013-02-19 09:15:16 37000: [Microsoft][SQL Native Client][SQL Server]Cannot create a row of size 8065 which is greater than the allowable maximum row size of 8060.

2013-02-19 09:15:16 SQL Statement:
 alter table S_EVT_MAIL alter column "LAST_UPD_BY"                    nvarchar(15)         not null

2013-02-19 09:15:16 [Microsoft][SQL Native Client][SQL Server]The statement has been terminated.