Here is a topic with some background information and a solution:
But the solution is to install a custom function and have that cleanse the data for you on the SAP server.
I still think that the row delimiter error is not related to the upgrade but to bad data from SAP. Sadly enough your error is on a line number so high that it is a challenge to open the .dat file and inspect on which document the incorrect data is.
(BOB member since 2012-03-20)