Avast Password Synchronisation Issue

Hi,
I have used Avast Internet Security and Avast Passwords in December 2016. Since my laptop’s motherboard has failed I was unable to use Avast Password and I didn’t remember the Master password used at that time. Now new laptop is bought and installed Avast Internet Security. But I am unable to synchronize my passwords which stored earlier.
I have tried with the mail that sent by avast at the time of creating avast password account. But it require old master password which I didn’t remember. So unable to use Avast password now.

Can I synchronize without the old master password.

Thank you

https://forum.avast.com/index.php?board=89.0