samba-tool reports the following error when creating a trust between Samba 4.18.2 Active Directory and Microsoft Active Directory:

# Command-line:

samba-tool domain trust create infra.local --type=forest --direction=both --create-location=local --skip-validation --ipaddress=<PDC_IP_Address> --username=administrator@infra.local --password=Password

--

# Output:

LocalDomain Netbios[SAMDOM] DNS[samdom.internal] SID[S-1-5-21-xxxxx]

RemoteDC Netbios[ADDS01] DNS[ADDS01.infra.local] 

ServerType[PDC,GC,LDAP,DS,KDC,TIMESERV,CLOSEST,WRITABLE,FULL_SECRET_DOMAIN_6,ADS_WEB_SERVICE,DS_8,__unknown_00038000__]

RemoteDomain Netbios[INFRA] DNS[infra.local] SID[S-1-5-21-xxxxx]

Creating local TDO.

Local TDO created

Setting supported encryption types on local TDO.

ERROR(<class 'UnboundLocalError'>): uncaught exception - local variable 'remote_tdo_handle' referenced before assignment
  File "/usr/lib/python3/dist-packages/samba/netcmd/__init__.py", line 230, in _run
    return self.run(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/samba/netcmd/domain.py", line 2852, in run
    if remote_tdo_handle is not None:

--

Even with the error, the trust is created and authentication / authorization between the two parties works anyway.

# Environment information:

- Linux distribution / version: Ubuntu 22.04.2 LTS
- Samba version: 4.18.2
- Microsoft Active Directory domain controllers: Windows Server 2019 or Windows Server 2022 (same behavior with either)
- Microsoft Active Directory forest and domain level: 2012 or 2016 (same behavior with either)