Im upgrading foreman from 2.5 to 3.0.
I get below error:
#:/etc/apt/sources.list.d# foreman-installer --noop --verbose 2022-08-04 11:52:59 [NOTICE] [root] Loading installer configuration. This will take some time. 2022-08-04 11:53:15 [NOTICE] [root] Running installer with log based terminal output at level NOTICE. 2022-08-04 11:53:15 [NOTICE] [root] Use -l to set the terminal output log level to ERROR, WARN, NOTICE, INFO, or DEBUG. See --full-help for definitions. 2022-08-04 11:53:19 [ERROR ] [root] Parameter foreman-proxy-dhcp-option-domain invalid: Elements of the array are invalid: nil is not a valid string Error during configuration, exiting