diff --git a/setup.py b/setup.py
index 3daa61c..6f2175a 100644
--- a/setup.py
+++ b/setup.py
@@ -62,7 +62,7 @@ def run(self):
 
 
 setup(name='up_enhsp',
-      version='0.0.20',
+      version='0.0.21',
       description='up_enhsp',
       author='UNIBS Team',
       author_email='enrico.scala@unibs.it',
diff --git a/up_enhsp/enhsp_planner.py b/up_enhsp/enhsp_planner.py
index 7789f3f..a23eca3 100644
--- a/up_enhsp/enhsp_planner.py
+++ b/up_enhsp/enhsp_planner.py
@@ -52,33 +52,34 @@ def _result_status(
 
     @staticmethod
     def supported_kind() -> 'ProblemKind':
-        supported_kind = ProblemKind()
-        supported_kind.set_problem_class('ACTION_BASED')  # type: ignore
-        supported_kind.set_numbers('CONTINUOUS_NUMBERS')  # type: ignore
-        supported_kind.set_numbers('DISCRETE_NUMBERS')  # type: ignore
-        supported_kind.set_typing('FLAT_TYPING')  # type: ignore
-        supported_kind.set_typing('HIERARCHICAL_TYPING')  # type: ignore
-        supported_kind.set_fluents_type('NUMERIC_FLUENTS')  # type: ignore
-        supported_kind.set_conditions_kind('NEGATIVE_CONDITIONS')  # type: ignore
-        supported_kind.set_conditions_kind('DISJUNCTIVE_CONDITIONS')  # type: ignore
-        supported_kind.set_conditions_kind('EXISTENTIAL_CONDITIONS')  # type: ignore
-        supported_kind.set_conditions_kind('UNIVERSAL_CONDITIONS')  # type: ignore
-        supported_kind.set_conditions_kind('EQUALITIES')  # type: ignore
-        supported_kind.set_problem_type('SIMPLE_NUMERIC_PLANNING')  # type: ignore
-        supported_kind.set_problem_type('GENERAL_NUMERIC_PLANNING')  # type: ignore
-        supported_kind.set_effects_kind('INCREASE_EFFECTS')  # type: ignore
-        supported_kind.set_effects_kind('DECREASE_EFFECTS')  # type: ignore
-        supported_kind.set_effects_kind('FORALL_EFFECTS')  # type: ignore
-        supported_kind.set_effects_kind('CONDITIONAL_EFFECTS')  # type: ignore
-        supported_kind.set_effects_kind('STATIC_FLUENTS_IN_BOOLEAN_ASSIGNMENTS')  # type: ignore
-        supported_kind.set_effects_kind('STATIC_FLUENTS_IN_NUMERIC_ASSIGNMENTS')  # type: ignore
-        supported_kind.set_effects_kind('FLUENTS_IN_BOOLEAN_ASSIGNMENTS')  # type: ignore
-        supported_kind.set_effects_kind('FLUENTS_IN_NUMERIC_ASSIGNMENTS')  # type: ignore
-        supported_kind.set_quality_metrics("ACTIONS_COST") # type: ignore
-        supported_kind.set_quality_metrics("PLAN_LENGTH") # type: ignore
-        supported_kind.set_quality_metrics("FINAL_VALUE") # type: ignore
-        supported_kind.set_actions_cost_kind("STATIC_FLUENTS_IN_ACTIONS_COST") # type: ignore
-        supported_kind.set_actions_cost_kind("FLUENTS_IN_ACTIONS_COST") # type: ignore
+        supported_kind = ProblemKind(version=2)
+        supported_kind.set_problem_class('ACTION_BASED')
+        supported_kind.set_typing('FLAT_TYPING')
+        supported_kind.set_typing('HIERARCHICAL_TYPING')
+        supported_kind.set_fluents_type("INT_FLUENTS")
+        supported_kind.set_fluents_type("REAL_FLUENTS")
+        supported_kind.set_conditions_kind('NEGATIVE_CONDITIONS')
+        supported_kind.set_conditions_kind('DISJUNCTIVE_CONDITIONS')
+        supported_kind.set_conditions_kind('EXISTENTIAL_CONDITIONS')
+        supported_kind.set_conditions_kind('UNIVERSAL_CONDITIONS')
+        supported_kind.set_conditions_kind('EQUALITIES')
+        supported_kind.set_problem_type('SIMPLE_NUMERIC_PLANNING')
+        supported_kind.set_problem_type('GENERAL_NUMERIC_PLANNING')
+        supported_kind.set_effects_kind('INCREASE_EFFECTS')
+        supported_kind.set_effects_kind('DECREASE_EFFECTS')
+        supported_kind.set_effects_kind('FORALL_EFFECTS')
+        supported_kind.set_effects_kind('CONDITIONAL_EFFECTS')
+        supported_kind.set_effects_kind('STATIC_FLUENTS_IN_BOOLEAN_ASSIGNMENTS')
+        supported_kind.set_effects_kind('STATIC_FLUENTS_IN_NUMERIC_ASSIGNMENTS')
+        supported_kind.set_effects_kind('FLUENTS_IN_BOOLEAN_ASSIGNMENTS')
+        supported_kind.set_effects_kind('FLUENTS_IN_NUMERIC_ASSIGNMENTS')
+        supported_kind.set_quality_metrics("ACTIONS_COST")
+        supported_kind.set_quality_metrics("PLAN_LENGTH")
+        supported_kind.set_quality_metrics("FINAL_VALUE")
+        supported_kind.set_actions_cost_kind("STATIC_FLUENTS_IN_ACTIONS_COST")
+        supported_kind.set_actions_cost_kind("FLUENTS_IN_ACTIONS_COST")
+        supported_kind.set_actions_cost_kind("INT_NUMBERS_IN_ACTIONS_COST")
+        supported_kind.set_actions_cost_kind("REAL_NUMBERS_IN_ACTIONS_COST")
         return supported_kind
 
     @staticmethod
@@ -122,7 +123,7 @@ def _parse_plan_line(self, plan_line: str) -> str:
 
 
 
-    
+
 class ENHSPOptEngine(ENHSPEngine):
 
     @property
@@ -182,4 +183,4 @@ def _get_cmd(self, domain_filename: str, problem_filename: str, plan_filename: s
     @staticmethod
     def supported_kind() -> 'ProblemKind':
         supported_kind = ENHSPEngine.supported_kind()
-        return supported_kind
\ No newline at end of file
+        return supported_kind