Merge branch 'fix-error-message-when-not-logged-in' into v3.2.0

ExpressAPI/assets/OpenAPI/OpenAPI.yaml

 openapi: 3.1.0
 info:
     title: Dojo API
-    version: 3.1.3
+    version: 3.2.0
     description: |
         **Backend API of the Dojo project.**
         

ExpressAPI/src/middlewares/SecurityMiddleware.ts

@@ -10,7 +10,7 @@ class SecurityMiddleware {
     check(checkIfConnected: boolean, ...checkTypes: Array<SecurityCheckType>): (req: express.Request, res: express.Response, next: express.NextFunction) => void {
         return async (req: express.Request, res: express.Response, next: express.NextFunction) => {
             if ( checkIfConnected ) {
-                if ( req.session.profile === null ) {
+                if ( req.session.profile === null || req.session.profile === undefined ) {
                     return req.session.sendResponse(res, StatusCodes.UNAUTHORIZED);
                 }
             }