File monitoring error in BPMon

Hi,

I have configured BPMon in my Solman 7.1 SP08 and have the latest ST PI - A/PI components installed. I want to do file monitoring in BPMon but when I am configuring the file monitor and doing a validation check I get an error

"RFC System Failure / Type conflict when calling a function module (field length)"

I have gone through the note 1267908 and have assigned the required roles to the read RFC user in the managed system. But still I am getting this error and so the file monitoring is not working.

Can anybody suggest a solution to it and how can the "Type conflict when calling a function module (field length)" troubleshooted.

Regards,

Vishal