Problem with minecraft send command in crontab

[nonsindeads]

Feb 10 12:40:01 v2202201167100177147 CRON[624745]: (mcserver) CMD (/usr/bin/php /var/www/dc-api/web.php --msg="something" >/dev/null 2>&1) 40 * * * * /home/mcserver/pmcserver send "something" >/dev/null 2>&1

EDIT: i try this at the moment but not shure if it's a differece
40 * * * * /bin/bash -c '/home/mcserver/pmcserver send "seomething"' >/dev/null 2>&1

Hello everybody,
ontop is my cron an syslog. Is is working but the process stays alive after the message ist sent and cosumes 100% of my CPU.

Someone has a tip for me?