Failed to start ipv4 DHCP server

Hello,
when I boot the system, it shows this message:
Failed to start ipv4 DHCP server
Failed to start ipv6 DHCP server

I have all services loaded:
Code: sudo systemctl list-units | grep dh
dhcpcd.service loaded active running dhcpcd on all interfaces
dhcpd4.service loaded failed failed IPv4 DHCP server
dhcpd6.service loaded failed failed IPv6 DHCP serverInfo of the dhcp ipv4 service:
Code: sudo systemctl status dhcpd4.service
* dhcpd4.service - IPv4 DHCP server
Loaded: loaded (/usr/lib/systemd/system/dhcpd4.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Tue 2021-05-25 13:55:24 CEST; 8min ago
Process: 1024 ExecStart=/usr/bin/dhcpd -4 -q -cf /etc/dhcpd.conf -pf /run/dhcpd4/dhcpd.pid (code=exited, status=1/FAILURE)
CPU: 12ms

May 25 13:55:24 adrian systemd[1]: dhcpd4.service: Scheduled restart job, restart counter is at 5.
May 25 13:55:24 adrian systemd[1]: Stopped IPv4 DHCP server.
May 25 13:55:24 adrian systemd[1]: dhcpd4.service: Start request repeated too quickly.
May 25 13:55:24 adrian systemd[1]: dhcpd4.service: Failed with result 'exit-code'.
May 25 13:55:24 adrian systemd[1]: Failed to start IPv4 DHCP server.Thanks for helping!