diff --git a/src/main/java/it/gov/pagopa/atmlayer/service/model/enumeration/AppErrorCodeEnum.java b/src/main/java/it/gov/pagopa/atmlayer/service/model/enumeration/AppErrorCodeEnum.java
index 9912cb34..6320a305 100644
--- a/src/main/java/it/gov/pagopa/atmlayer/service/model/enumeration/AppErrorCodeEnum.java
+++ b/src/main/java/it/gov/pagopa/atmlayer/service/model/enumeration/AppErrorCodeEnum.java
@@ -69,8 +69,7 @@ public enum AppErrorCodeEnum {
     PROFILE_NOT_FOUND("ATMLM_4000058", "Non esiste un profilo con l'id indicato", CONSTRAINT_VIOLATION),
     PROFILE_OR_USER_NOT_FOUND("ATMLM_4000059","Utente o profilo non trovato", CONSTRAINT_VIOLATION),
     NO_ASSOCIATION_FOUND("ATMLM_4000060","Nessuna associazione trovata", CONSTRAINT_VIOLATION),
-    ALL_FIELDS_ARE_BLANK("ATMLM_4000061", "Tutti i campi sono vuoti", BLANK_FIELDS),
-    USERS_ALREADY_ACCESSED("ATMLM_4000062", "Impossibile registrare l'utente come primo accesso: almeno un utente è già presente nel database", NOT_FIRST_ACCESS);
+    ALL_FIELDS_ARE_BLANK("ATMLM_4000061", "Tutti i campi sono vuoti", BLANK_FIELDS);
     private final String errorCode;
     private final String errorMessage;
     private final AppErrorType type;
diff --git a/src/main/java/it/gov/pagopa/atmlayer/service/model/enumeration/AppErrorType.java b/src/main/java/it/gov/pagopa/atmlayer/service/model/enumeration/AppErrorType.java
index f5428faa..61a5776f 100644
--- a/src/main/java/it/gov/pagopa/atmlayer/service/model/enumeration/AppErrorType.java
+++ b/src/main/java/it/gov/pagopa/atmlayer/service/model/enumeration/AppErrorType.java
@@ -26,6 +26,5 @@ public enum AppErrorType {
     CANNOT_ASSOCIATE,
     NOT_EXISTING_USER_ID,
     NOT_EXISTING_USER_PROFILE, CANNOT_REPLACE_ASSOCIATION,
-    BLANK_FIELDS,
-    NOT_FIRST_ACCESS
+    BLANK_FIELDS
 }
\ No newline at end of file
diff --git a/src/main/java/it/gov/pagopa/atmlayer/service/model/service/impl/UserServiceImpl.java b/src/main/java/it/gov/pagopa/atmlayer/service/model/service/impl/UserServiceImpl.java
index 518269e4..836804d9 100644
--- a/src/main/java/it/gov/pagopa/atmlayer/service/model/service/impl/UserServiceImpl.java
+++ b/src/main/java/it/gov/pagopa/atmlayer/service/model/service/impl/UserServiceImpl.java
@@ -134,17 +134,19 @@ public Uni<Void> checkFirstAccess(String userId) {
         return countUsers()
                 .onItem()
                 .transformToUni(count -> {
-                    if (count != 0){
-                        throw new AtmLayerException("Sono già presenti degli utenti nel sistema", Response.Status.BAD_REQUEST, AppErrorCodeEnum.USERS_ALREADY_ACCESSED);
-                    }
-                    UserInsertionWithProfilesDTO userInsertionWithProfilesDTO = new UserInsertionWithProfilesDTO();
-                    List<Integer> profile = new ArrayList<>();
-                    profile.add(5);
-                    userInsertionWithProfilesDTO.setUserId(userId);
-                    userInsertionWithProfilesDTO.setProfileIds(profile);
-                    return insertUserWithProfiles(userInsertionWithProfilesDTO)
-                            .onItem()
-                            .transformToUni(list -> Uni.createFrom().voidItem());
+                    if (count == 0) {
+                        UserInsertionWithProfilesDTO userInsertionWithProfilesDTO = new UserInsertionWithProfilesDTO();
+                        List<Integer> profile = new ArrayList<>();
+                        profile.add(5);
+                        userInsertionWithProfilesDTO.setUserId(userId);
+                        userInsertionWithProfilesDTO.setProfileIds(profile);
+                        userInsertionWithProfilesDTO.setName("");
+                        userInsertionWithProfilesDTO.setSurname("");
+                        return insertUserWithProfiles(userInsertionWithProfilesDTO)
+                                .onItem()
+                                .transformToUni(list -> Uni.createFrom().voidItem());
+                        }
+                        return Uni.createFrom().voidItem();
                 });
     }
 }
diff --git a/src/test/java/it/gov/pagopa/atmlayer/service/model/service/impl/UserServiceImplTest.java b/src/test/java/it/gov/pagopa/atmlayer/service/model/service/impl/UserServiceImplTest.java
index ad61311f..8d33ff29 100644
--- a/src/test/java/it/gov/pagopa/atmlayer/service/model/service/impl/UserServiceImplTest.java
+++ b/src/test/java/it/gov/pagopa/atmlayer/service/model/service/impl/UserServiceImplTest.java
@@ -342,7 +342,8 @@ void testCheckFirstAccessWhenUsersExist() {
         userServiceImpl.checkFirstAccess(userId)
                 .subscribe()
                 .withSubscriber(UniAssertSubscriber.create())
-                .assertFailedWith(AtmLayerException.class);
+                .assertCompleted()
+                .assertItem(null);
 
         verify(userRepository, times(1)).count();
         verify(userProfilesService, never()).insertUserProfiles(any(UserProfilesInsertionDTO.class));