Undefined global var $_SESSION

[liderbug]

Just upgraded to 1.5.8, php 8.2PHP
Warning: session_set_save_handler(): Session save handler cannot be changed after headers hav
25-Nov-2023 08:56:21 America/Los_Angeles] PHP Warning: Undefined global variable $_SESSION in /home
[25-Nov-2023 08:56:21 America/Los_Angeles] PHP Warning: Trying to access array offset on value of ty
[25-Nov-2023 08:56:21 America/Los_Angeles] Request URI: /index.php?main_page=index&manufacturers_id=1
#0 [internal function]: zen_debug_error_handler()
#1 /home/chulid/sarasausage.com/includes/functions/sessions.php(102): session_set_save_handler()
#2 /home/chulid/sarasausage.com/includes/init_includes/init_sessions.php(24): require('/home/chulid/s
#3 /home/chulid/sarasausage.com/includes/autoload_func.php(40): require_once('/home/chulid/sa...')
#4 /home/chulid/sarasausage.com/includes/application_top.php(237): require('/home/chulid/sa...')
#5 /home/chulid/sarasausage.com/index.php(41): require('/home/chulid/sa...')
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Doesn't seem to cause a problem - that I can see.

[mc12345678]

Is it 1.5.8, 1.5.8a, or the latest github files associated to the 1.5.8 branch? How was the upgrade performed?