The Adam Sandler pre-sale password has been added. For a little while you can order tickets before they go on sale. Adam Sandler pre-sale passcode for show tickets in Buffalo, NY (KeyBank Center) You might never have another chance to see Adam Sandler's show in Buffalo, NY.
Adam Sandler show info:

Adam Sandler
KeyBank Center
Buffalo, NY
Apr 25, 2020

Presale
Start: Thu 10/27/17 03:00 pm EST

You can use this pre-sale passcodes and information to get tickets:

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Here is a tip: When a presale code is not found in ticketmaster or livenation - check to make sure that the presale is still valid: you could be looking at a very old post, secondly keep in mind that there might be more than one presale happening - when there are multiple boxes where presale codes can be plugged in you might need to try a couple of different combinations to find the winning combination.