Cannot build project, new to roo

[ogaerick]

Just installed and tried the 10min demo. Getting the following error when executing project --topLevelPackage com.mycompany.projectname

Unable to obtain required element '/project/artifactId' from element '[project: null]'

my env is as follows
TERM_PROGRAM=Apple_Terminal
TERM=xterm-color
SHELL=/bin/bash
TMPDIR=/var/folders/-f/-f4z5AgcG3uH9rSMqz5IO++++TM/-Tmp-/
Apple_PubSub_Socket_Render=/tmp/launch-NiuwFz/Render
TERM_PROGRAM_VERSION=273
USER=erick
COMMAND_MODE=unix2003
SSH_AUTH_SOCK=/tmp/launch-ArrBuy/Listeners
__CF_USER_TEXT_ENCODING=0x1F6:0:0
PATH=/Developer/Applications/springsource/spring-roo-1.1.1.RELEASE/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin
PWD=/Users/erick
LANG=en_GB.UTF-8
SHLVL=1
HOME=/Users/erick
LOGNAME=erick
DISPLAY=/tmp/launch-vm3EOz/org.x:0
_=/usr/bin/env
OLDPWD=/System/Library/Frameworks/JavaVM.framework/Home/bin

Please Help

[ogaerick]

un-commented the remarks:

Resolved ROO_HOME: /Developer/Applications/springsource/spring-roo-1.1.1.RELEASE
JAVA_HOME /System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home
ROO_CP: /Developer/Applications/springsource/spring-roo-1.1.1.RELEASE/bin/org.apache.felix.framework-2.0.4.jar:/Developer/Applications/springsource/spring-roo-1.1.1.RELEASE/bin/org.springframework.roo.bootstrap-1.1.1.RELEASE.jar
ROO_OSGI_FRAMEWORK_STORAGE: /Developer/Applications/springsource/spring-roo-1.1.1.RELEASE/cache
ROO_AUTO_DEPLOY_DIRECTORY: /Developer/Applications/springsource/spring-roo-1.1.1.RELEASE/bundle
ROO_CONFIG_FILE_PROPERTIES: /Developer/Applications/springsource/spring-roo-1.1.1.RELEASE/conf/config.properties

[ogaerick]

Tried to install older version. Version 1.1.0 gives the same problem. Version 1.0.2 works. How can I make 1.1.1 work?