diff --git a/src/main/java/de/caritas/cob/consultingtypeservice/api/ApiDefaultResponseEntityExceptionHandler.java b/src/main/java/de/caritas/cob/consultingtypeservice/api/ApiDefaultResponseEntityExceptionHandler.java
index 40c9cccc..f75ea2c7 100644
--- a/src/main/java/de/caritas/cob/consultingtypeservice/api/ApiDefaultResponseEntityExceptionHandler.java
+++ b/src/main/java/de/caritas/cob/consultingtypeservice/api/ApiDefaultResponseEntityExceptionHandler.java
@@ -1,5 +1,6 @@
 package de.caritas.cob.consultingtypeservice.api;
 
+import de.caritas.cob.consultingtypeservice.api.exception.httpresponses.ConflictException;
 import de.caritas.cob.consultingtypeservice.api.service.LogService;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
@@ -31,6 +32,13 @@ public ResponseEntity<Object> handleInternal(
     return new ResponseEntity<>(EMPTY_HEADERS, HttpStatus.INTERNAL_SERVER_ERROR);
   }
 
+  @ExceptionHandler({ConflictException.class})
+  public ResponseEntity<Object> handleInternal(
+      final ConflictException ex, final WebRequest request) {
+    LogService.logInternalServerError(ex);
+    return new ResponseEntity<>(EMPTY_HEADERS, HttpStatus.CONFLICT);
+  }
+
   @ExceptionHandler({AccessDeniedException.class})
   public ResponseEntity<Object> handleInternal(
       final AccessDeniedException ex, final WebRequest request) {
diff --git a/src/main/java/de/caritas/cob/consultingtypeservice/api/consultingtypes/ConsultingTypeMongoTenantAwareRepositoryService.java b/src/main/java/de/caritas/cob/consultingtypeservice/api/consultingtypes/ConsultingTypeMongoTenantAwareRepositoryService.java
index 49edec65..1be35dd4 100644
--- a/src/main/java/de/caritas/cob/consultingtypeservice/api/consultingtypes/ConsultingTypeMongoTenantAwareRepositoryService.java
+++ b/src/main/java/de/caritas/cob/consultingtypeservice/api/consultingtypes/ConsultingTypeMongoTenantAwareRepositoryService.java
@@ -114,8 +114,8 @@ public Optional<ConsultingTypeEntity> addConsultingType(final ConsultingType con
         || isConsultingTypeWithGivenSlugPresent(consultingType)) {
       LogService.logWarning(
           String.format(
-              "Could not add consulting type. id %s or slug %s is not unique",
-              consultingType.getId(), consultingType.getSlug()));
+              "Could not add consulting type. id %s or slug %s for tenant %s is not unique",
+              consultingType.getId(), consultingType.getSlug(), consultingType.getTenantId()));
       return Optional.empty();
     } else {
       final ConsultingTypeEntity consultingTypeEntity = new ConsultingTypeEntity();
diff --git a/src/main/java/de/caritas/cob/consultingtypeservice/api/exception/httpresponses/ConflictException.java b/src/main/java/de/caritas/cob/consultingtypeservice/api/exception/httpresponses/ConflictException.java
new file mode 100644
index 00000000..68c076fb
--- /dev/null
+++ b/src/main/java/de/caritas/cob/consultingtypeservice/api/exception/httpresponses/ConflictException.java
@@ -0,0 +1,11 @@
+package de.caritas.cob.consultingtypeservice.api.exception.httpresponses;
+
+import de.caritas.cob.consultingtypeservice.api.service.LogService;
+
+/** Representation of a 409 - CONFLICT. */
+public class ConflictException extends CustomHttpStatusException {
+
+  public ConflictException(String message) {
+    super(message, LogService::logWarning);
+  }
+}
diff --git a/src/main/java/de/caritas/cob/consultingtypeservice/api/service/ConsultingTypeService.java b/src/main/java/de/caritas/cob/consultingtypeservice/api/service/ConsultingTypeService.java
index c735befe..c207043b 100644
--- a/src/main/java/de/caritas/cob/consultingtypeservice/api/service/ConsultingTypeService.java
+++ b/src/main/java/de/caritas/cob/consultingtypeservice/api/service/ConsultingTypeService.java
@@ -4,7 +4,7 @@
 import de.caritas.cob.consultingtypeservice.api.auth.Authority.AuthorityValue;
 import de.caritas.cob.consultingtypeservice.api.consultingtypes.ConsultingTypeConverter;
 import de.caritas.cob.consultingtypeservice.api.consultingtypes.ConsultingTypeRepositoryService;
-import de.caritas.cob.consultingtypeservice.api.exception.httpresponses.InternalServerErrorException;
+import de.caritas.cob.consultingtypeservice.api.exception.httpresponses.ConflictException;
 import de.caritas.cob.consultingtypeservice.api.mapper.BasicConsultingTypeMapper;
 import de.caritas.cob.consultingtypeservice.api.mapper.ConsultingTypeMapper;
 import de.caritas.cob.consultingtypeservice.api.mapper.ExtendedConsultingTypeMapper;
@@ -127,9 +127,10 @@ public FullConsultingTypeResponseDTO createConsultingType(
       return ConsultingTypeMapper.mapConsultingType(
           createdConsultingType.get(), FullConsultingTypeMapper::mapConsultingType);
     } else {
-      throw new InternalServerErrorException(
+      throw new ConflictException(
           String.format(
-              "Could not create a new consulting type with slug %s", consultingTypeDTO.getSlug()));
+              "Could not create a new consulting type with slug %s for tenant id %s",
+              consultingTypeDTO.getSlug(), consultingType.getTenantId()));
     }
   }
 
diff --git a/src/main/java/de/caritas/cob/consultingtypeservice/filter/HttpTenantFilter.java b/src/main/java/de/caritas/cob/consultingtypeservice/filter/HttpTenantFilter.java
index 01165edc..31b762a9 100644
--- a/src/main/java/de/caritas/cob/consultingtypeservice/filter/HttpTenantFilter.java
+++ b/src/main/java/de/caritas/cob/consultingtypeservice/filter/HttpTenantFilter.java
@@ -44,7 +44,7 @@ protected void doFilterInternal(
       filterChain.doFilter(request, response);
       TenantContext.clear();
     } else {
-      log.info(
+      log.debug(
           "Skipping tenant filter for request: {} as it belongs to a tenancy whitelist.",
           request.getRequestURI());
       filterChain.doFilter(request, response);