diff --git a/setup.py b/setup.py
index 3f8df60..6b9f22a 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@
     'zope.sqlalchemy',
     'alembic',
     # API
-    'hapic',
+    'hapic>=0.41',
     'marshmallow <3.0.0a1,>2.0.0',
     # CLI
     'cliff',
diff --git a/tracim/__init__.py b/tracim/__init__.py
index 366c80e..ce2113e 100644
--- a/tracim/__init__.py
+++ b/tracim/__init__.py
@@ -5,6 +5,8 @@
 from pyramid.config import Configurator
 from pyramid.authentication import BasicAuthAuthenticationPolicy
 from hapic.ext.pyramid import PyramidContext
+from pyramid.exceptions import NotFound
+from sqlalchemy.exc import OperationalError
 
 from tracim.extensions import hapic
 from tracim.config import CFG
@@ -49,12 +51,15 @@ def main(global_config, **settings):
     # Add SqlAlchemy DB
     configurator.include('.models')
     # set Hapic
-    hapic.set_context(
-        PyramidContext(
-            configurator=configurator,
-            default_error_builder=ErrorSchema()
-        )
+    context = PyramidContext(
+        configurator=configurator,
+        default_error_builder=ErrorSchema(),
+        debug=app_config.DEBUG,
     )
+    hapic.set_context(context)
+    context.handle_exception(NotFound, 404)
+    context.handle_exception(OperationalError, 500)
+    context.handle_exception(Exception, 500)
     # Add controllers
     session_api = SessionController()
     configurator.include(session_api.bind, route_prefix=BASE_API_V2)
diff --git a/tracim/config.py b/tracim/config.py
index 82ce5a3..4db2016 100644
--- a/tracim/config.py
+++ b/tracim/config.py
@@ -128,6 +128,7 @@ def __init__(self, settings):
             '604800',
         ))
 
+        self.DEBUG = asbool(settings.get('debug', False))
         # TODO - G.M - 27-03-2018 - [Email] Restore email config
         ###
         # EMAIL related stuff (notification, reply)
diff --git a/tracim/tests/functional/test_session.py b/tracim/tests/functional/test_session.py
index df5c55a..83a0517 100644
--- a/tracim/tests/functional/test_session.py
+++ b/tracim/tests/functional/test_session.py
@@ -17,8 +17,6 @@ def test_api__access_logout_post_enpoint__ok__nominal_case(self):
 
 class TestLoginEndpointUnititedDB(FunctionalTestNoDB):
 
-    @pytest.mark.xfail(raises=OperationalError,
-                       reason='Not supported yet by hapic')
     def test_api__try_login_enpoint__err_500__no_inited_db(self):
         params = {
             'email': 'admin@admin.admin',