PROBLEM WITH MULTIPLE SAME USER PPPOE - HELP PLEASE

Hi Friend,
I have a problem with the pppoe server, I have many active connections with the same client, did something similar happen to someone?
the problem can be in the configuration of the pppoe server or in the client?
there is a photo of the customer's configuration too, thanks in advance.

Problem.-

PPPOE server.-

Client configuration.-

click on one session per host