XCodeServer nginx failure

After updating XCode to 12.4 XCodeServer CI does not work because of nginx failure:

nginx: [emerg] open() "/Library/Developer/XcodeServer/Certificates/xcsnginx.pass" failed (13: Permission denied) in /Library/Developer/XcodeServer/CurrentXcodeSymlink/Contents/Developer/usr/share/xcs/xcsnginx/xcsnginx.conf:39

Reinstalling all the tools did not help.
PS: Sorry. But, please, do not delete this question again.