[BUG] Error 29 DuplicateRequest when trying to add a new Authenticator

[mx0c]

Description
When trying to add a new Authenticator to my Account SteamAuthenticator::add() returns error 29 DuplicateRequest.

Steps to Reproduce the behavior

wa = MobileWebAuth(user, pass)
wa.cli_login()
sa = SteamAuthenticator(backend=wa)
sa.add() 

Expected behavior
expected to receive SMS code

Screenshots

Versions Report

python -m steam.versions_report

(Run python -m steam.versions_report and paste the output below)

steam: 1.4.4

Dependencies:
                 vdf: 3.4
            protobuf: 3.19.1
            requests: 2.28.2
          cachetools: 4.2.2
              gevent: 22.10.2
 gevent-eventemitter: 2.1
       pycryptodomex: 3.17
              enum34: Not Installed
       win-inet-pton: 1.1.0

Python runtime:
          executable: C:\Users\mariu\anaconda3\python.exe
             version: 3.9.12 (main, Apr  4 2022, 05:22:27) [MSC v.1916 64 bit (AMD64)]
            platform: win32

System info:
              system: Windows
             machine: AMD64
             release: 10
             version: 10.0.22000