xrdp service fails to start

xrdp service fails to start.

john@Demonstrator:~$ systemctl status xrdp.service
× xrdp.service - xrdp daemon
     Loaded: loaded (/lib/systemd/system/xrdp.service; enabled; vendor preset: >
     Active: failed (Result: exit-code) since Tue 2023-08-15 08:44:54 BST; 28s >
       Docs: man:xrdp(8)
             man:xrdp.ini(5)
    Process: 186632 ExecStartPre=/bin/sh /usr/share/xrdp/socksetup (code=exited>
    Process: 186640 ExecStart=/usr/sbin/xrdp $XRDP_OPTIONS (code=exited, status>
        CPU: 15ms

Aug 15 08:44:54 Demonstrator systemd[1]: Starting xrdp daemon...
Aug 15 08:44:54 Demonstrator xrdp[186640]: [INFO ] address [0.0.0.0] port [3389>
Aug 15 08:44:54 Demonstrator xrdp[186640]: [INFO ] listening to port 3389 on 0.>
Aug 15 08:44:54 Demonstrator xrdp[186640]: [ERROR] g_tcp_bind(7, 3389) failed b>
Aug 15 08:44:54 Demonstrator xrdp[186640]: [ERROR] trans_listen_address failed
Aug 15 08:44:54 Demonstrator xrdp[186640]: [ERROR] Failed to start xrdp daemon,>
Aug 15 08:44:54 Demonstrator systemd[1]: xrdp.service: Control process exited, >
Aug 15 08:44:54 Demonstrator systemd[1]: xrdp.service: Failed with result 'exit>
Aug 15 08:44:54 Demonstrator systemd[1]: Failed to start xrdp daemon.
...skipping...
× xrdp.service - xrdp daemon
     Loaded: loaded (/lib/systemd/system/xrdp.service; enabled; vendor preset: >
     Active: failed (Result: exit-code) since Tue 2023-08-15 08:44:54 BST; 28s >
       Docs: man:xrdp(8)
             man:xrdp.ini(5)
    Process: 186632 ExecStartPre=/bin/sh /usr/share/xrdp/socksetup (code=exited>
    Process: 186640 ExecStart=/usr/sbin/xrdp $XRDP_OPTIONS (code=exited, status>
        CPU: 15ms

Aug 15 08:44:54 Demonstrator systemd[1]: Starting xrdp daemon...
Aug 15 08:44:54 Demonstrator xrdp[186640]: [INFO ] address [0.0.0.0] port [3389>
Aug 15 08:44:54 Demonstrator xrdp[186640]: [INFO ] listening to port 3389 on 0.>
Aug 15 08:44:54 Demonstrator xrdp[186640]: [ERROR] g_tcp_bind(7, 3389) failed b>
Aug 15 08:44:54 Demonstrator xrdp[186640]: [ERROR] trans_listen_address failed
Aug 15 08:44:54 Demonstrator xrdp[186640]: [ERROR] Failed to start xrdp daemon,>
Aug 15 08:44:54 Demonstrator systemd[1]: xrdp.service: Control process exited, >
Aug 15 08:44:54 Demonstrator systemd[1]: xrdp.service: Failed with result 'exit>
Aug 15 08:44:54 Demonstrator systemd[1]: Failed to start xrdp daemon.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: xrdp 0.9.17-2ubuntu2
ProcVersionSignature: Ubuntu 6.2.0-26.26~22.04.1-generic 6.2.13
Uname: Linux 6.2.0-26-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Tue Aug 15 08:47:57 2023
InstallationDate: Installed on 2022-08-21 (358 days ago)
InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
SourcePackage: xrdp
UpgradeStatus: Upgraded to jammy on 2022-10-06 (312 days ago)