Solved: 1 Year, 1 Month, 3 Weeks ago Impossible to upgrade "The username you have entered appears to be invalid"
#1
Solved: 1 Year, 1 Month, 3 Weeks ago
Hi!

In the past, I installed MyBB, but the forum was never in use. Today I'm migrating to a new hosting, and I want to upgrade MyBB (before to maybe open this forum).

there are 3 users : 2 admins and 1 normal user (me, to test). I can login normally on my forum.

My actual MyBB is 1.8.7
I change PHP to go back to 5.6

I tried to update to the 1.8.21 by using "Changed Files" package.
I renamed the LOCK file, go to /install/upgrade.php

It asks a login, I used 2 the 2 admin user, but no... it's not working.

   
   

I found someone who explained to delete COOKIES, but it's not working for me.
I don't have other credentials.

Please, do you have any idea?
Thanks
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Impossible to upgrade "The username you have entered appears to be invalid" - by JeyC - 2019-06-14, 09:04 PM

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