R12-FNDFS Error

An error occured while attempting to establish an applications file server connection with the node FNDFS 

Error: In R12, After running a request, while we view the Log and from that when we want to take the log using
Tools –> Copy to the File, the following Error Occurs
An error occurred while attempting to establish an Applications File Server connection with the node FNDFS_. There may be a network configuration problem, or the TNS listener on node FNDFS_ may not be running. Please contact your system administrator.

Cause : The RRA is Not Enabled in the Profile Option.

Solution :
In the Profile Option –>system –> RRA ->RRA: Enabled is set as No in Site Level. Make it to Yes.
Save and Logout and Retest the Issue.

Regards,

Sukhwinder Singh