Reset admin password will work only if you insert the correct SMTP details. Here are instructions about how to insert SMTP details into the script.
You can insert SMTP details under global setting>>configuration>>email setting.
If you didnt insert smtp and you cant login, follow this instructions
1. Login to your phpmy admin from your cpanel/plesk
2. Go to your affiliate script database
3. Go to your users table
4. Go to your admin user and press on password filed
5. Insert this string inside the password filed
6. String: 7479305b3e914c467c0cb2eba57b352b58e1ff37
7. Now you will be able to log in to the admin panel using this password: admin2018$