OS 13.1 - Systemd/user timer and timer service install - unable to make it works

Hello.
I am unable to make systemd/user timer to run.
[LEFT]For clarity :
The user name is : “some_user” (/home/some_user)

[/LEFT]
Systemd install directory : /home/some_user/config/systemd/user

Here what I have try :

User profile addition ( /home/some_user/.profile ) :

systemctl --user

user timer and service configuration :
/home/some_user/config/systemd/user/user_timer.timer

[Unit]
# Directory : /home/some_user/.config/systemd/user
# file      : user_timer.timer
Description=start every minutes : /home/some_user/bin/user_timer.service which run /home/some_user/bin/user_script_tmr

[Timer]
# Time to wait after booting before we run first time
#OnBootSec= NOT_IN_USE
#
# Time between running each consecutive time
OnUnitActiveSec=1min
#
Unit=user_timer.service

[Install]
#WantedBy=default.target
WantedBy=multi-user.target

/home/some_user/config/systemd/user/user_timer.service

[Unit]
# Directory   : /home/some_user/.config/systemd/user
# file        : user_timer.service
# enable with : NOT IN USE
# Started by : user_timer.timer
Description=user_timer.service to run  /home/some_user/bin/user_script_tmr

[Service]
EnvironmentFile=/home/some_user/.config/systemd/user/user_timer.conf
#
Type=simple
#
ExecStart=/home/some_user/bin/user_script_tmr  ${TEXT}

After enabling the timer

systemctl --user enable user_timer.timer

There is a directory : “/home/some_user/config/systemd/user/multi-user.target.wants”
with inside : a link to “user_timer.timer”

LINUX-TEST-123: systemctl daemon-reload
LINUX-TEST-123: systemctl --user start  user_timer.timer
LINUX-TEST-123: systemctl --user status  user_timer.timer
user_timer.timer - start every minutes : /home/some_user/bin/user_script_tmr
   Loaded: loaded (/home/some_user/.config/systemd/user/user_timer.timer; enabled)
   Active: active (elapsed) since Sat 2014-09-27 11:41:30 CEST; 5s ago

Sep 27 11:41:30 LINUX-TEST-123 systemd[3194]: Starting start every minutes : /home/some_user/bin/user_script_tmr.
Sep 27 11:41:30 LINUX-TEST-123 systemd[3194]: Started start every minutes : /home/some_user/bin/user_script_tmr.
LINUX-TEST-123:~ # 

journalctl show nothing more 1 time :

Sep 27 11:41:30 LINUX-TEST-123 systemd[3194]: Starting start every minutes : /home/some_user/bin/user_script_tmr.
Sep 27 11:41:30 LINUX-TEST-123 systemd[3194]: Started start every minutes : /home/some_user/bin/user_script_tmr.

Any help is welcome.

[SOLVED]

IN : user_timer.timer

#OnBootSec= NOT_IN_USE

change to

OnBootSec=1min ( or every thing else )