How to unlock device locked using google's find device ?

Hi,
I have a samsung tablet running on android
6
Today i changed my tablet's
security pattern but forgot it, the time delay between attempts quickly starded doubling, waiting 30 min to try a single attempt, i wanted a quick solution i loged in google's device manager using my phone and thought maybe i can remotly set a password with my phone and unlock my tablet, i was wrong and screwed everything, i don't know if it was changed a long time ago but the app no longer lets you add a password, if you press lock it will instantly lock the selected device (in my case my tablet) giving you no warning that your device can no longer be unlocked, or even how to do it if it can be done,
My question is if there is a working method on how to remove the remote lock and get the pattern lock back because i remembered the new pattern.

Pls help