Issue while creating new module in Apache lenya CMS

Hi,

Tring to create a new module in Apache lenya cms,
And followed the link
	"http://lenya.apache.org/docu20/tutorials/newResourceType/newResourceTypePart1.html"
But it shows two error :

prepare-modules:

Processing /home/dev06/workspace/apache-lenya-2.0.4-src/build/lenya/temp/modules.xml to /home/dev06/workspace/apache-lenya-2.0.4-src/build/lenya/temp/modules-config.xml

Loading stylesheet /home/dev06/workspace/apache-lenya-2.0.4-src/src/resources/build/modules2config.xsl

Processing /home/dev06/workspace/apache-lenya-2.0.4-src/build/lenya/temp/modules-config.xml to /home/dev06/workspace/apache-lenya-2.0.4-src/build/lenya/temp/modules-build.xml

Loading stylesheet /home/dev06/workspace/apache-lenya-2.0.4-src/src/resources/build/modules2build.xsl

Processing /home/dev06/workspace/apache-lenya-2.0.4-src/build/lenya/temp/modules.xml to /home/dev06/workspace/apache-lenya-2.0.4-src/build/lenya/temp/modules.xconf

Loading stylesheet /home/dev06/workspace/apache-lenya-2.0.4-src/src/resources/build/modules2patch.xsl

Processing: /home/dev06/workspace/apache-lenya-2.0.4-src/build/lenya/temp/modules.xconf

Writing: /home/dev06/workspace/apache-lenya-2.0.4-src/build/lenya/webapp/WEB-INF/cocoon.xconf

BUILD FAILED

/home/dev06/workspace/apache-lenya-2.0.4-src/src/targets/webapp-build.xml:174: The following error occurred while executing this line:

/home/dev06/workspace/apache-lenya-2.0.4-src/src/targets/modules-build.xml:74: The following error occurred while executing this line:

Target "deploy-module-org.apache.lenya.modules.usecase" does not exist in the project "lenya-modules". It is used from target "deploy-module-org.apache.lenya.modules.export".


Please anybody help how to resolve this error.

Thanks-
Munish kumar