diff --git a/server/vbv_lernwelt/importer/services.py b/server/vbv_lernwelt/importer/services.py
index 37090dca..f4594a24 100644
--- a/server/vbv_lernwelt/importer/services.py
+++ b/server/vbv_lernwelt/importer/services.py
@@ -48,7 +48,7 @@ LP_DATA = {
             "slug": "lancement",
             "presence_course": "lancement-lc-cours-de-présence-lancement",
             "assignments": [
-                "lancement-lc-mission-de-préparation",
+                "lancement-lc-mandat-de-préparation",
                 "lancement-lc-déclaration-de-probité",
                 "lancement-lc-réflexion",
             ],
@@ -83,7 +83,7 @@ LP_DATA = {
             "slug": "base",
             "presence_course": "base-lc-cours-de-présence-base",
             "assignments": [
-                "base-lc-mission-de-préparation",
+                "base-lc-mandat-de-préparation",
             ],
             "edoniq_tests": ["base-lc-questions-de-connaissances-et-de-compréhension"],
         },
@@ -103,7 +103,7 @@ LP_DATA = {
             "slug": "fahrzeug",
             "presence_course": "fahrzeug-lc-präsenzkurs-fahrzeug",
             "assignments": [
-                "fahrzeug-lc-überprüfen-einer-motorfahrzeug-versicherungspolice",
+                "fahrzeug-lc-geleitete-fallarbeit-überprüfen-einer-versicherungspolice",
                 "fahrzeug-lc-fahrzeug-mein-erstes-auto",
             ],
             "edoniq_tests": [],
@@ -113,8 +113,8 @@ LP_DATA = {
             "slug": "véhicule",
             "presence_course": "véhicule-lc-cours-de-présence-véhicule",
             "assignments": [
-                "véhicule-lc-vérification-dune-police-dassurance-de-véhicule-à-moteur",
-                "véhicule-lc-véhicule-à-moteur-ma-première-voiture",
+                "véhicule-lc-mandat-de-préparation",
+                "véhicule-lc-étude-de-cas-dirigée-vérification-dune-police-dassurance",
             ],
             "edoniq_tests": [],
         },
@@ -123,8 +123,8 @@ LP_DATA = {
             "slug": "veicolo",
             "presence_course": "veicolo-lc-corso-di-presenza",
             "assignments": [
-                "veicolo-lc-verifica-di-una-polizza-di-assicurazione-veicoli-a-motore",
-                "veicolo-lc-veicolo-la-mia-prima-auto",
+                "veicolo-lc-caso-di-studio-guidato-verifica-di-una-polizza-di-assicurazione",
+                "veicolo-lc-incarico-di-preparazione",
             ],
             "edoniq_tests": [],
         },
@@ -192,7 +192,7 @@ LP_DATA = {
         "de": {
             "title": "Reisen & Rechtsstreitigkeiten",
             "slug": "reisen-rechtsstreitigkeiten",
-            "presence_course": "reisen-rechtsstreitigkeiten-lc-präsenzkurs-reisen-rechtsstreiti",
+            "presence_course": "reisen-rechtsstreitigkeiten-lc-präsenzkurs-reisen-rechtsstreitigkeiten",
             "assignments": [
                 "reisen-rechtsstreitigkeiten-lc-vorbereitungsauftrag",
             ],
@@ -203,7 +203,7 @@ LP_DATA = {
         "fr": {
             "title": "Voyages / Litiges juridiques",
             "slug": "voyages-litiges-juridiques",
-            "presence_course": "voyages--litiges-juridiques-lc-cours-de-présence",
+            "presence_course": "voyages-litiges-juridiques-lc-cours-de-présence-voyages-litiges-juridiques",
             "assignments": [
                 "voyages-litiges-juridiques-lc-mandat-de-préparation",
             ],
@@ -214,7 +214,7 @@ LP_DATA = {
         "it": {
             "title": "Viaggi e controversie giuridiche",
             "slug": "viaggi-e-controversie-giuridiche",
-            "presence_course": "viaggi-e-controversie-giuridiche-lc-corso-di-presenza",
+            "presence_course": "viaggi-e-controversie-giuridiche-lc-corso-di-presenza-viaggi-e-controversie-giuridiche",
             "assignments": [
                 "viaggi-e-controversie-giuridiche-lc-incarico-di-preparazione",
             ],
@@ -237,7 +237,7 @@ LP_DATA = {
         "fr": {
             "title": "Propriété du logement",
             "slug": "propriété-du-logement",
-            "presence_course": "propriété-du-logement-lc-cours-de-présence",
+            "presence_course": "propriété-du-logement-lc-cours-de-présence-propriété-du-logement",
             "assignments": [
                 "propriété-du-logement-lc-mandat-de-préparation",
                 "propriété-du-logement-lc-etude-de-cas-dirigée",
@@ -247,7 +247,7 @@ LP_DATA = {
         "it": {
             "title": "Casa di proprietà",
             "slug": "casa-di-proprietà",
-            "presence_course": "casa-di-proprietà-lc-corso-di-presenza",
+            "presence_course": "casa-di-proprietà-lc-corso-di-presenza-casa-di-proprietà",
             "assignments": [
                 "casa-di-proprietà-lc-incarico-di-preparazione",
                 "casa-di-proprietà-lc-caso-di-studio-guidato-dal-cantiere-alla-propria-casa",
@@ -268,7 +268,7 @@ LP_DATA = {
         "fr": {
             "title": "PME, Partie 1",
             "slug": "pme-partie-1",
-            "presence_course": "pme-partie-1-lc-cours-de-présence",
+            "presence_course": "pme-partie-1-lc-cours-de-présence-pme-partie-1",
             "assignments": [
                 "pme-partie-1-lc-mandat-de-préparation",
             ],
@@ -279,7 +279,7 @@ LP_DATA = {
         "it": {
             "title": "PMI parte 1",
             "slug": "PMI parte 1",
-            "presence_course": "pmi-parte-1-lc-corso-di-presenza",
+            "presence_course": "pmi-parte-1-lc-corso-di-presenza-pmi-parte-1",
             "assignments": [
                 "pmi-parte-1-lc-incarico-di-preparazione",
             ],
@@ -300,7 +300,7 @@ LP_DATA = {
         "fr": {
             "title": "PME, Partie 2",
             "slug": "pme-partie-2",
-            "presence_course": "pme-partie-2-lc-cours-de-présence",
+            "presence_course": "pme-partie-2-lc-cours-de-présence-pme-partie-2",
             "assignments": [
                 "pme-partie-2-lc-mandat-de-préparation",
                 "pme-partie-2-lc-etude-de-cas-dirigée",
@@ -310,10 +310,10 @@ LP_DATA = {
         "it": {
             "title": "PMI parte 2",
             "slug": "PMI parte 2",
-            "presence_course": "pmi-parte-2-lc-corso-di-presenza",
+            "presence_course": "pmi-parte-2-lc-corso-di-presenza-pmi-parte-2",
             "assignments": [
                 "pmi-parte-2-lc-incarico-di-preparazione",
-                "pmi-parte-2-lc-caso-di-studio-guidato",
+                "pmi-parte-2-lc-caso-di-studio-guidato-visitare-unazienda-pmi",
             ],
             "edoniq_tests": [],
         },
@@ -322,16 +322,16 @@ LP_DATA = {
         "de": {
             "title": "3-säulenkonzept",
             "slug": "3-säulenkonzept",
-            "presence_course": "3-säulenkonzept-lc-präsenzkurs-3-säulenkonzept",
+            "presence_course": "3-säulensystem-lc-präsenzkurs-3-säulenkonzept",
             "assignments": [
-                "3-säulenkonzept-lc-vorbereitungsauftrag",
+                "3-säulensystem-lc-vorbereitungsauftrag",
             ],
-            "edoniq_tests": ["3-säulenkonzept-lc-wissens-und-verständnisfragen"],
+            "edoniq_tests": ["3-säulensystem-lc-wissens-und-verständnisfragen"],
         },
         "fr": {
             "title": "Concept des 3 piliers",
             "slug": "concept-des-3-piliers",
-            "presence_course": "",
+            "presence_course": "concept-des-3-piliers-lc-cours-de-présence-concept-des-3-piliers",
             "assignments": [
                 "concept-des-3-piliers-lc-mandat-de-préparation",
             ],
@@ -342,7 +342,7 @@ LP_DATA = {
         "it": {
             "title": "Concetto dei 3 pilastri",
             "slug": "concetto-dei-3-pilastri",
-            "presence_course": "concetto-dei-3-pilastri-lc-corso-di-presenza",
+            "presence_course": "concetto-dei-3-pilastri-lc-corso-di-presenza-concetto-dei-3-pilastri",
             "assignments": [
                 "concetto-dei-3-pilastri-lc-incarico-di-preparazione",
             ],
@@ -366,7 +366,7 @@ LP_DATA = {
         "fr": {
             "title": "Garantie des revenus, Partie 1",
             "slug": "garantie-des-revenus-partie-1",
-            "presence_course": "garantie-des-revenus-partie-1-lc-cours-de-présence",
+            "presence_course": "garantie-des-revenus-partie-1-lc-cours-de-présence-garantie-des-revenus-partie-1",
             "assignments": [
                 "garantie-des-revenus-partie-1-lc-mandat-de-préparation",
             ],
@@ -377,7 +377,7 @@ LP_DATA = {
         "it": {
             "title": "Protezione del reddito parte 1",
             "slug": "protezione-del-reddito-parte-1",
-            "presence_course": "protezione-del-reddito-parte-1-lc-corso-di-presenza",
+            "presence_course": "protezione-del-reddito-parte-1-lc-corso-di-presenza-protezione-del-reddito-parte-1",
             "assignments": [
                 "protezione-del-reddito-parte-1-lc-incarico-di-preparazione",
             ],
@@ -390,7 +390,7 @@ LP_DATA = {
         "de": {
             "title": "Einkommenssicherung (Todesfall)",
             "slug": "einkommenssicherung-todesfall",
-            "presence_course": "einkommenssicherung-invalidität-lc-präsenzkurs-einkommenssicherung-invalidität",
+            "presence_course": "einkommenssicherung-todesfall-lc-präsenzkurs-einkommenssicherung-todesfall",
             "assignments": [
                 "einkommenssicherung-todesfall-lc-vorbereitungsauftrag",
             ],
@@ -401,7 +401,7 @@ LP_DATA = {
         "fr": {
             "title": "Garantie des revenus, Partie 2",
             "slug": "garantie-des-revenus-partie-2",
-            "presence_course": "garantie-des-revenus-partie-2-lc-cours-de-présence",
+            "presence_course": "garantie-des-revenus-partie-2-lc-cours-de-présence-garantie-des-revenus-partie-2",
             "assignments": [
                 "garantie-des-revenus-partie-2-lc-mandat-de-préparation",
             ],
@@ -410,14 +410,15 @@ LP_DATA = {
             ],
         },
         "it": {
-            "title": "Casa di proprietà",
-            "slug": "casa-di-proprietà",
-            "presence_course": "",
+            "title": "Protezione del reddito parte 2",
+            "slug": "protezione-del-reddito-parte-2",
+            "presence_course": "protezione-del-reddito-parte-2-lc-corso-di-presenza-protezione-del-reddito-parte-2",
             "assignments": [
-                "",
-                "",
+                "protezione-del-reddito-parte-2-lc-incarico-di-preparazione",
+            ],
+            "edoniq_tests": [
+                "protezione-del-reddito-parte-2-lc-domande-di-conoscenza-e-di-comprensione"
             ],
-            "edoniq_tests": [],
         },
     },
     "Pensionierung": {
@@ -427,14 +428,14 @@ LP_DATA = {
             "presence_course": "pensionierung-lc-präsenzkurs-pensionierung",
             "assignments": [
                 "pensionierung-lc-vorbereitungsauftrag",
-                "pensionierung-lc-geleitete-fallarbeit-geleitete-fallarbeit",
+                "pensionierung-lc-geleitete-fallarbeit",
             ],
             "edoniq_tests": [],
         },
         "fr": {
             "title": "Retraite",
             "slug": "retraite",
-            "presence_course": "retraite-lc-cours-de-présence",
+            "presence_course": "retraite-lc-cours-de-présence-retraite",
             "assignments": [
                 "retraite-lc-mandat-de-préparation",
                 "retraite-lc-etude-de-cas-dirigée",
@@ -444,7 +445,7 @@ LP_DATA = {
         "it": {
             "title": "Pensionamento",
             "slug": "pensionamento",
-            "presence_course": "pensionamento-lc-corso-di-presenza",
+            "presence_course": "pensionamento-lc-corso-di-presenza-pensionamento",
             "assignments": [
                 "pensionamento-lc-incarico-di-preparazione",
                 "pensionamento-lc-caso-di-studio-guidato",
@@ -648,7 +649,8 @@ def create_or_update_course_session(
             presence_day_end = try_parse_datetime(
                 data[f"{circle} {TRANSLATIONS[language]['ende']}"]
             )[1]
-        except KeyError:
+        except KeyError as e:
+            logger.debug("import", type="presence_data", key_error=e)
             continue
 
         if attendance_course_lc:
@@ -662,6 +664,14 @@ def create_or_update_course_session(
                 presence_day_end,
             )
 
+        else:
+            logger.debug(
+                "import",
+                type="course_session_attendance",
+                slug=f"{course.slug}-lp-circle-{circle_data['presence_course']}",
+                error="Does not exist",
+            )
+
         for assignment_slug in circle_data["assignments"]:
             create_or_update_course_session_assignment(
                 cs, course.slug, assignment_slug, presence_day_start
@@ -758,6 +768,13 @@ def create_or_update_course_session_assignment(
             ) + timezone.timedelta(days=45)
             csa.evaluation_deadline.end = None
             csa.evaluation_deadline.save()
+    else:
+        logger.debug(
+            "import",
+            type="course_session_assignment",
+            slug=f"{course_slug}-lp-circle-{assignment_slug}",
+            error="Does not exist",
+        )
 
 
 def create_or_update_course_session_edoniq_test(
@@ -779,6 +796,13 @@ def create_or_update_course_session_edoniq_test(
         )
         cset.deadline.end = None
         cset.deadline.save()
+    else:
+        logger.debug(
+            "import",
+            type="course_session_edoniq_test",
+            slug=f"{course_slug}-lp-circle-{test_slug}",
+            error="Does not exist",
+        )
 
 
 def validate_row_data(data: Dict[str, any], required_headers: List[str]):
diff --git a/server/vbv_lernwelt/importer/tests/test_import_course_sessions.py b/server/vbv_lernwelt/importer/tests/test_import_course_sessions.py
index c887ea4f..bda1ac8b 100644
--- a/server/vbv_lernwelt/importer/tests/test_import_course_sessions.py
+++ b/server/vbv_lernwelt/importer/tests/test_import_course_sessions.py
@@ -26,7 +26,7 @@ from vbv_lernwelt.importer.utils import (
     calc_header_tuple_list_from_pyxl_sheet,
     try_parse_datetime,
 )
-from vbv_lernwelt.learnpath.models import Circle
+from vbv_lernwelt.learnpath.models import Circle, LearningContentAssignment
 
 test_dir = os.path.dirname(os.path.abspath(__file__))
 
@@ -54,6 +54,15 @@ class CreateOrUpdateCourseSessionTestCase(TestCase):
     def setUp(self):
         create_default_users()
         self.course = create_test_course(include_vv=False)
+        # update slug to reflect the real data
+        assignment_slug = (
+            "fahrzeug-lc-überprüfen-einer-motorfahrzeug-versicherungspolice"
+        )
+        casework = LearningContentAssignment.objects.filter(
+            slug=f"{self.course.slug}-lp-circle-{assignment_slug}"
+        ).first()
+        casework.title = "Geleitete Fallarbeit: Überprüfen einer Versicherungspolice"
+        casework.save()
 
     def test_create_course_session(self):
         row = [