Fix

src/app/shared/popover/messages-options/messages-options.page.ts

@@ -1,6 +1,8 @@
 import { Component, OnInit } from '@angular/core';
 import { ModalController, NavParams, PopoverController } from '@ionic/angular';
 import { ChatService } from 'src/app/services/chat.service';
+import { ThemeService } from 'src/app/services/theme.service'
+
 
 @Component({
   selector: 'app-messages-options',
@@ -16,6 +18,7 @@ export class MessagesOptionsPage implements OnInit {
     private modalController: ModalController,
     private chatService: ChatService,
     private navParams: NavParams,
+    public ThemeService: ThemeService
   )
   {
     this.roomId = this.navParams.get('roomId');