On a brand new Ubuntu 14.04.3 LTS install, new virtualservers are created with an incorrect Options line, which causes the following error on an apache restart:
Either all Options must start with + or -, or no Option may.
The incorrect line is:
Options Indexes IncludesNOEXEC SymLinksifOwnerMatch +ExecCGI
It is solved after a manual change to:
Options +Indexes +IncludesNOEXEC +SymLinksifOwnerMatch +ExecCGI
Apache is: Server version: Apache/2.4.7 (Ubuntu)
I'm running the most recent Virtualmin ( Virtualmin 5.0 (installed 12/Jan/2016))