Server Console "Folder is larger than supported....."

In the Server Console, I am getting this message

"Unable to add Note to folder in database/data folder/mail/user.nsf

Folder is larger than supported. cannot peform operation."

What is this error means ?

Subject: Server Console “Folder is larger than supported…”

Hi Jason,

This error can happen when a user has too many documents in a folder. I had it once and did a search on the forum and found a useful agent that you could run which would find out which folder it was. In my case however, it was the Inbox that was causing the problem so I couldn’t recreate the folder. I had to manually move a huge chunk (thousands) of his mail to sub folders.

Good luck.

Louise.