diff --git a/src/commands.h b/src/commands.h
index 8042f8c..9b74c2a 100644
--- a/src/commands.h
+++ b/src/commands.h
@@ -2,49 +2,59 @@
 #define COMMANDS_H
 
 #include <iostream>
+#include "../lib/lpstd/lpstd.hpp"
 
-namespace commands
+using namespace lpstd::exceptions;
+
+    namespace commands
 {
     void add(int argc, char *argv[])
     {
         std::cout << "add" << std::endl;
+        throw NotImplementedException();
     }
 
     void list(int argc, char *argv[])
     {
         std::cout << "list" << std::endl;
+        throw NotImplementedException();
     }
 
     void view(int argc, char *argv[])
     {
         std::cout << "view" << std::endl;
+        throw NotImplementedException();
     }
 
     void edit(int argc, char *argv[])
     {
         std::cout << "edit" << std::endl;
+        throw NotImplementedException();
     }
 
     void remove(int argc, char *argv[])
     {
         std::cout << "remove" << std::endl;
+        throw NotImplementedException();
     }
 
     void search(int argc, char *argv[])
     {
         std::cout << "search" << std::endl;
+        throw NotImplementedException();
     }
 
     // not implemented
     void collect(int argc, char *argv[])
     {
-        // lpstd::NotImplementedException();
         std::cout << "collect" << std::endl;
+        throw NotImplementedException();
     }
 
     void help(int argc, char *argv[])
     {
         std::cout << "help" << std::endl;
+        throw NotImplementedException();
     }
 
 } // namespace commands
diff --git a/src/main.h b/src/main.h
index 13a3d44..77dfbeb 100644
--- a/src/main.h
+++ b/src/main.h
@@ -3,5 +3,5 @@
 #include "./command.h"
 #include "./commands.h"
 
-Setup setup = Setup();
+Setup setup;
 Command command;
\ No newline at end of file