i cant select network interface

[nhie07]

──(root㉿anonymousREM)-[/home/rem/PBC]
└─# bash PBC.sh

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                        ▐█ ▄█▐█ ▀█▪▐█ ▌▪                                                                                                                       
                         ██▀·▐█▀▀█▄██ ▄▄                                                                                                                       
                        ▐█▪·•██▄▪▐█▐███▌ .sh                                                                                                                   
                        .▀   ·▀▀▀▀ ·▀▀▀  version: 0.4                                                                                                          
                                                                                                                                                               
                Virtual WPS PBC button for GNU-Linux                                                                                                           

Copyright (C) 2017 kcdtv @ www.wifi-libre.com (see the GPLv3 license provided)

▐█ Privileges check...
root
▐█ Interface(s) check...
lo no wireless extensions.

eth0 no wireless extensions.

wlan0mon unassociated Nickname:"WIFI@REALTEK"
Mode:Managed Frequency=2.412 GHz Access Point: Not-Associated
Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

▐█ Several interfaces are available. Make your choice:
num Interface
▐█ Your choice:
3
▐█ Error - There is no interface associated with the entered number (3).

▐█ Back to the interface selection...

▐█ Several interfaces are available. Make your choice:
num Interface
▐█ Your choice:
2
▐█ Error - There is no interface associated with the entered number (2).

▐█ Back to the interface selection...

▐█ Several interfaces are available. Make your choice:
num Interface
▐█ Your choice:
1
▐█ Error - There is no interface associated with the entered number (1).

▐█ Back to the interface selection...

▐█ Several interfaces are available. Make your choice:
num Interface
▐█ Your choice: