Solved issue with non-existing search pages

src/app/core/services/server-response.service.ts

@@ -0,0 +1,26 @@
+import { RESPONSE } from '@nguniversal/express-engine/tokens';
+import { Inject, Injectable, Optional } from '@angular/core';
+import { Response } from 'express';
+
+@Injectable()
+export class ServerResponseService {
+  private response: Response;
+
+  constructor(@Optional() @Inject(RESPONSE) response: any) {
+    this.response = response;
+  }
+
+  setStatus(code: number, message?: string): this {
+    if (this.response) {
+      this.response.statusCode = code;
+      if (message) {
+        this.response.statusMessage = message;
+      }
+    }
+    return this;
+  }
+
+  setNotFound(message = 'Not found'): this {
+    return this.setStatus(404, message)
+  }
+}