1. https://onads.net/dashboard/payments here i have 500 error
2. The facebook login is not working.
You need to create facebook app and connect it with your website from settings > social settings
3. The email is not working, i mean if i recieve a message, or if a person put a new ads, or create a new account i don’t recieve any notification.
Above events, E-Mail notification feature does not exist in this application.
4. meta description tag, but ib dasboard it have.
I could not understand.
Please note that any additional feature you required but not exists in the applications means, you need to customize to get your desired features.