Error in SFP Transaction when trying to view the Form

Hi all,

ABAPer has build a form using Tx SFP --> Executed it and when he try to view the print preview or try to prnt, he is getting the following below error:

Exception SYSTEM_ERROR

Message ID: FPRUNX Message number: 001

Message:

ADS: The render error log file has been written to f:\u(200101)

I have searched SAP Notes & other sites but it didnt help, Could you pls. help me out.

Thanks,

Subbu