Time Machine backup failed

[VectorZhao]

The content of docker-compose.yml is as follows:

version: '3'
services:
    samba:
      image: ghcr.io/morremeyer/samba
      container_name: samba
      command:
        -w "HOME"
        -u "${USERNAME};${PASSWORD}"
        -s "Time Machine;/share/timemachine;yes;no;no;;;;Time Machine"
        -p
        -r
        -g "server string = dockerized CIFS SMB server"
        -g "ea support = yes"
        -g "fruit:advertise_fullsync = true"
        -g "durable handles = yes"
        -g "kernel oplocks = no"
        -g "kernel share modes = no"
        -g "posix locking = no"
        -g "inherit acls = yes"
      environment:
        - USERID=0
        - GROUPID=0
        - TZ=Asia/Shanghai
      volumes:
        - "${BACKUP_DESTINATION_DIRECTORY}/timemachine:/share/timemachine"
      ports:
        - 139:139
        - 445:445
      networks:
        - default
      restart: unless-stopped

Finder added SMBa, Time Machine backup encountered the following error prompt: