Checking core structure...
compile_project:10: no matches found: *.in
rm -f sonet-core.jar `find . -name \*.class`
(cd src; javac -encoding UTF-8 -cp /usr/share/java/sonet-core-support.jar `find . -name \*.java`)
./sonet/SocialNetwork.java:72: cannot find symbol
symbol  : class Album
location: class sonet.SocialNetwork
    public Album createAlbum(int id, String sub){
           ^
./sonet/SocialNetwork.java:73: cannot find symbol
symbol  : class Album
location: class sonet.SocialNetwork
	Album album = new Album(id, _idGlobal++, sub);
	^
./sonet/SocialNetwork.java:73: cannot find symbol
symbol  : class Album
location: class sonet.SocialNetwork
	Album album = new Album(id, _idGlobal++, sub);
	                  ^
3 errors
make: *** [all] Error 1