A workaround (maybe) for a really annoying issue with error handling and how parameters get passed to what

src/decorators/Controller.ts

@@ -83,7 +83,19 @@ export function Controller<T extends { new (...args: any[]): BaseController }>()
                             console.log('[Controller.setup.<GET request>] Response:', res);
                             console.log('[Controller.setup.<GET request>] Next:', next);
 
-                            return await fn.bind(controller)(req, res, next);
+                            try {
+                                return await fn.bind(controller)(req, res, next);
+                            }
+                            catch(error) {
+                                if(typeof next !== 'undefined') {
+                                    next(error);
+                                    return;
+                                }
+                                else {
+                                    // Because next is undefined and we still want to have Express handle the error we reject the promise
+                                    return Promise.reject(error);
+                                }
+                            }
                         });
                     });