as an FYI these additional perl packacges are required for zoneminder 1.30 but not installed by default
perl-Time-HiRes
perl-Sys-Syslog
perl-Sys-Mmap
perl-Sys-MemInfo
perl-Sys-CPU
perl-Date-Manip
dnf install them and it resolves startup issues and errors in zmfilter.pl and zmtelementry.pl