java.lang.NullPointerException
        at org.netbeans.modules.cnd.makeproject.configurations.ConfigurationMakefileWriter.writeMakefileConf(ConfigurationMakefileWriter.java:186)
        at org.netbeans.modules.cnd.makeproject.configurations.ConfigurationMakefileWriter.write(ConfigurationMakefileWriter.java:93)
        at org.netbeans.modules.cnd.makeproject.api.configurations.MakeConfigurationDescriptor.saveWorker(MakeConfigurationDescriptor.java:635)
        at org.netbeans.modules.cnd.makeproject.api.configurations.MakeConfigurationDescriptor.access$000(MakeConfigurationDescriptor.java:95)
        at org.netbeans.modules.cnd.makeproject.api.configurations.MakeConfigurationDescriptor$SaveRunnable.run(MakeConfigurationDescriptor.java:571)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:573)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1005)