LibreELEC SMB access gives “Operation not permitted”

Subject:
Security ID: NULL SID
Account Name: -
Account Domain: -
Logon ID: 0x0

Logon Type: 3

Account For Which Logon Failed:
Security ID: NULL SID
Account Name: libreelec
Account Domain: HOME

Failure Information:
Failure Reason: User not allowed to logon at this computer.
Status: 0xC000006E
Sub Status: 0xC0000070

Process Information:
Caller Process ID: 0x0
Caller Process Name: -

Network Information:
Workstation Name: HTPC2
Source Network Address: 192.168.2.23
Source Port: 43006

Detailed Authentication Information:
Logon Process: NtLmSsp
Authentication Package: NTLM
Transited Services: -
Package Name (NTLM only): -
Key Length: 0

This event is generated when a logon request fails. It is generated on the computer where access was attempted.

The Subject fields indicate the account on the local system which requested the logon. This is most commonly a service such as the Server service, or a local process such as Winlogon.exe or Services.exe.

The Logon Type field indicates the kind of logon that was requested. The most common types are 2 (interactive) and 3 (network).

The Process Information fields indicate which account and process on the system requested the logon.

The Network Information fields indicate where a remote logon request originated. Workstation name is not always available and may be left blank in some cases.