Apache2.service: Failed with result 'exit-code' - Server Fault

Hello,
I have a problem with apache2 - it doesn’t want to start
This problem occurred when I tried to update SSL


root@cloud:~# systemctl status apache2.service
● apache2.service - The Apache HTTP Server
Loaded: loaded (/lib/systemd/system/apache2.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Fri 2020-10-30 15:36:53 EET; 24min ago
Process: 11861 ExecStart=/usr/sbin/apachectl start (code=exited, status=1/FAILURE)
CPU: 63ms

окт 30 15:36:53 cloud systemd[1]: Starting The Apache HTTP Server…
окт 30 15:36:53 cloud apachectl[11861]: AH00526: Syntax error on line 23 of /etc/apache2/sites-enabled/default-ssl.conf:
окт 30 15:36:53 cloud apachectl[11861]: SSLCertificateFile: file ‘/etc/univention/letsencrypt/signed.crt’ does not exist or is empt
окт 30 15:36:53 cloud apachectl[11861]: Action ‘start’ failed.
окт 30 15:36:53 cloud apachectl[11861]: The Apache error log may have more information.
окт 30 15:36:53 cloud systemd[1]: apache2.service: Control process exited, code=exited status=1
окт 30 15:36:53 cloud systemd[1]: Failed to start The Apache HTTP Server.
окт 30 15:36:53 cloud systemd[1]: apache2.service: Unit entered failed state.
окт 30 15:36:53 cloud systemd[1]: apache2.service: Failed with result ‘exit-code’.


Does anyone have any idea how I can fix this?
thanks in advance

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