Zen Cart 1.5.8 upgraded from 1.5.7d
PHP Version: 8.1.10 (Zend: 4.1.10)
MySQL 5.7.30
Plugins:
one_page_checkout-2.4.3, edit_orders-4.6.2, mailchimp, Google reCaptcha v3.4

Upgraded to 1.5.8 and getting this error when ShipStation calls out for an update.

Code:
[28-Oct-2022 19:43:15 America/New_York] Request URI: /shipstation_zc.php?SS-UserName=MyUsername&SS-Password=MyPasswordaction=export&start_date=10%2f27%2f2022+23%3a55&end_date=10%2f29%2f2022+16%3a43&page=1, IP address: 34.200.10.239
#0 /shipstation_zc.php(105): zen_debug_error_handler()
#1 /shipstation_zc.php(176): zen_datetime_short2()
--> PHP Deprecated: Function strftime() is deprecated in /shipstation_zc.php on line 105.