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/Message.java:29: invalid method declaration; return type required
	public sendMessage (Sonet sonet, int id, int senderID, int receiverID, String subject, String body) {
	       ^
./sonet/Individual.java:14: ';' expected
		return _outMessages.get(id)
		                           ^
2 errors
make: *** [all] Error 1