* Fatal error:
* Fatal error: There is a problem with your configuration file.
* Fatal error: webapp-config tried to read the variable "vhost_config_dir"
* Fatal error: and received the following error:
* Fatal error:
* Fatal error: Bad value substitution:
* Fatal error:  section: [USER]
* Fatal error:  option : vhost_config_dir
* Fatal error:  key    : vhost_subdomain_2
* Fatal error:  rawval : .${vhost_subdomain_1}/www/${vhost_hostname}/
* Fatal error:
* Fatal error: Please note that webapp-config is not written in bash anymore
* Fatal error: and that you cannot use the bash scripting features.
* Fatal error(s) - aborting