PVE 4.4 TO 5.0 No longer accesses the web console

[mask]

I made the upgrade from pve 4.4 to version 5.0 without major problems, but when I went to connect in the web management interface, it does not enter anymore. I lost access to web management after I updated the system version, can anyone help me with how to regain access? thank you

 

[tom]

there are a lot of similar threads with exactly the same problem, and with the solution.

=> use the search function of the forum before you post.