diff --git a/src/main/java/mops/gruppen2/controller/APIController.java b/src/main/java/mops/gruppen2/controller/APIController.java
index 12591a1..459e125 100644
--- a/src/main/java/mops/gruppen2/controller/APIController.java
+++ b/src/main/java/mops/gruppen2/controller/APIController.java
@@ -36,7 +36,7 @@ public class APIController {
     @GetMapping("/updateGroups/{status}")
     @Secured("ROLE_api_user")
     @ApiOperation(value = "Gibt alle Gruppen zurück in denen sich etwas geändert hat")
-    public UpdatedGroupRequestMapper updateGroup(@ApiParam("Letzter Status des Anfragestellers")  @PathVariable Long status) throws EventException {
+    public UpdatedGroupRequestMapper updateGroup(@ApiParam("Letzter Status des Anfragestellers") @PathVariable Long status) throws EventException {
         List<Event> events = eventService.getNewEvents(status);
         UpdatedGroupRequestMapper updatedGroupRequestMapper = APIFormatterService.wrapp(eventService.getMaxEvent_id(), groupService.projectEventList(events));
 
@@ -46,14 +46,14 @@ public class APIController {
     @GetMapping("/getGroupIdsOfUser/{teilnehmer}")
     @Secured("ROLE_api_user")
     @ApiOperation(value = "Gibt alle Gruppen zurück in denen sich ein Teilnehmer befindet")
-    public List<Long> getGroupsOfUser(@ApiParam("Teilnehmer dessen groupIds zurückgegeben werden sollen")  @PathVariable String teilnehmer) throws EventException {
+    public List<Long> getGroupsOfUser(@ApiParam("Teilnehmer dessen groupIds zurückgegeben werden sollen") @PathVariable String teilnehmer) throws EventException {
         return eventService.getGroupsOfUser(teilnehmer);
     }
 
     @GetMapping("/getGroup/{groupId}")
     @Secured("ROLE_api_user")
     @ApiOperation(value = "Gibt die Gruppe mit der als Parameter mitgegebenden groupId zurück")
-    public Group getGroupFromId(@ApiParam("GruppenId der gefordeten Gruppe") @PathVariable Long groupId) throws EventException{
+    public Group getGroupFromId(@ApiParam("GruppenId der gefordeten Gruppe") @PathVariable Long groupId) throws EventException {
         List<Event> eventList = eventService.getEventsOfGroup(groupId);
 
         List<Group> groups = groupService.projectEventList(eventList);
diff --git a/src/main/java/mops/gruppen2/controller/Gruppen2Controller.java b/src/main/java/mops/gruppen2/controller/Gruppen2Controller.java
index af08948..ddedc06 100644
--- a/src/main/java/mops/gruppen2/controller/Gruppen2Controller.java
+++ b/src/main/java/mops/gruppen2/controller/Gruppen2Controller.java
@@ -49,7 +49,7 @@ public class Gruppen2Controller {
      * @param model tolles model
      * @return index.html
      */
-    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator)"})
+    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator"})
     @GetMapping("")
     public String index(KeycloakAuthenticationToken token, Model model) throws EventException {
         Account account = keyCloakService.createAccountFromPrincipal(token);
@@ -57,18 +57,18 @@ public class Gruppen2Controller {
 
         model.addAttribute("account", keyCloakService.createAccountFromPrincipal(token));
         model.addAttribute("gruppen", userService.getUserGroups(user));
-        model.addAttribute("user",user);
+        model.addAttribute("user", user);
         return "index";
     }
 
-    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator)"})
+    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator"})
     @GetMapping("/createGroup")
     public String createGroup(KeycloakAuthenticationToken token, Model model) {
         model.addAttribute("account", keyCloakService.createAccountFromPrincipal(token));
         return "create";
     }
 
-    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator)"})
+    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator"})
     @GetMapping("/findGroup")
     public String findGroup(KeycloakAuthenticationToken token, Model model, @RequestParam(value = "suchbegriff", required = false) String suchbegriff) throws EventException {
         List<Group> groupse = new ArrayList<>();
@@ -80,6 +80,7 @@ public class Gruppen2Controller {
         return "search";
     }
 
+    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator"})
     @PostMapping("/createGroup")
     public String pCreateGroup(KeycloakAuthenticationToken token,
                                @RequestParam(value = "title") String title,
@@ -93,7 +94,7 @@ public class Gruppen2Controller {
         return "redirect:/gruppen2/";
     }
 
-    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator)"})
+    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator"})
     @GetMapping("/details")
     public String showGroupDetails(KeycloakAuthenticationToken token, Model model, @RequestParam(value = "id") Long id) throws EventException, ResponseStatusException {
         model.addAttribute("account", keyCloakService.createAccountFromPrincipal(token));
@@ -108,16 +109,16 @@ public class Gruppen2Controller {
         throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Group not found");
     }
 
-    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator)"})
+    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator"})
     @PostMapping("/detailsBeitreten")
     public String joinGroup(KeycloakAuthenticationToken token, Model model, @RequestParam(value = "id") Long id) throws EventException {
         model.addAttribute("account", keyCloakService.createAccountFromPrincipal(token));
-        Account account = keyCloakService.createAccountFromPrincipal (token);
-        controllerService.addUser(account,id);
+        Account account = keyCloakService.createAccountFromPrincipal(token);
+        controllerService.addUser(account, id);
         return "redirect:/gruppen2/";
     }
 
-    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator)"})
+    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator"})
     @GetMapping("/detailsSearch")
     public String showGroupDetailsNoMember(KeycloakAuthenticationToken token, Model model, @RequestParam(value = "id") Long id) throws EventException {
         model.addAttribute("account", keyCloakService.createAccountFromPrincipal(token));
@@ -129,7 +130,7 @@ public class Gruppen2Controller {
         throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Group not found");
     }
 
-    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator)"})
+    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator"})
     @GetMapping("/acceptinvite/{link}")
     public String acceptInvite(KeycloakAuthenticationToken token, Model model, @PathVariable String link) throws EventException {
         model.addAttribute("account", keyCloakService.createAccountFromPrincipal(token));
@@ -140,11 +141,17 @@ public class Gruppen2Controller {
         }
         throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Group not found");
     }
-    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator)"})
+
+    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator"})
     @PostMapping("/leaveGroup")
-    public String pLeaveGroup(KeycloakAuthenticationToken token, @RequestParam (value="group_id") Long id) {
+    public String pLeaveGroup(KeycloakAuthenticationToken token, @RequestParam(value = "group_id") Long id) {
         Account account = keyCloakService.createAccountFromPrincipal(token);
         controllerService.deleteUser(account, id);
         return "redirect:/gruppen2/";
     }
+
+    @GetMapping("*")
+    public String defaultLink() {
+        return "errorRenameLater";
+    }
 }
diff --git a/src/main/java/mops/gruppen2/controller/MopsController.java b/src/main/java/mops/gruppen2/controller/MopsController.java
index 1c62f56..3e77224 100644
--- a/src/main/java/mops/gruppen2/controller/MopsController.java
+++ b/src/main/java/mops/gruppen2/controller/MopsController.java
@@ -9,7 +9,7 @@ import javax.servlet.http.HttpServletRequest;
 public class MopsController {
 
     @GetMapping("")
-    public String redirect(){
+    public String redirect() {
         return "redirect:/gruppen2/";
     }