Pi-hole运行正常但webcit服务反复重启失败的问题求助

我在树莓派上运行的Pi-hole一切正常，但查看syslog时发现每隔10秒就会重复出现下面的报错信息，有没有大佬知道这是什么问题呀？

Apr 19 22:25:50 pi-hole systemd[1]: Started Citadel web service.

Apr 19 22:25:50 pi-hole systemd[1426]: webcit-http.service: Failed to execute command: No such file or directory

Apr 19 22:25:50 pi-hole systemd[1426]: webcit-http.service: Failed at step EXEC spawning /usr/local/webcit/webcit: No such file or directory

Apr 19 22:25:50 pi-hole systemd[1]: webcit-https.service: Main process exited, code=exited, status=203/EXEC

Apr 19 22:25:50 pi-hole systemd[1]: webcit-https.service: Failed with result 'exit-code'.

Apr 19 22:25:50 pi-hole systemd[1]: webcit-http.service: Main process exited, code=exited, status=203/EXEC

Apr 19 22:25:50 pi-hole systemd[1]: webcit-http.service: Failed with result 'exit-code'.

Apr 19 22:25:54 pi-hole systemd[1]: webcit-https.service: Service RestartSec=3s expired, scheduling restart.

Apr 19 22:25:54 pi-hole systemd[1]: webcit-https.service: Scheduled restart job, restart counter is at 127.

Apr 19 22:25:54 pi-hole systemd[1]: webcit-http.service: Service RestartSec=3s expired, scheduling restart.

Apr 19 22:25:54 pi-hole systemd[1]: webcit-http.service: Scheduled restart job, restart counter is at 127.

Apr 19 22:25:54 pi-hole systemd[1]: Stopped Citadel web service.

备注：内容来源于stack exchange，提问作者Peter Kassies