Encountered an error when tried to save out preferences in OBIEE 11g.

Hi everyone,
We exploit OBIEE 11.1.1.5.0., and in recent times faced an error when we practiced to accumulate out preferences in OBIEE 11g. We attempted a explanation which I came across the Oracle forum; I deleted the User folder in the OBIEE catalogue. OBIEE will remake the folder when the user logs in once again with the new folder rights for the user.
What should I do now to solve this error? Thanks in advance.
