Warning: Undefined array key "tenant_id" in /var/www/public/usersc/plugins/azure_ad_oauth/assets/inc/config.inc on line 35

Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /var/www/public/usersc/plugins/azure_ad_oauth/assets/inc/config.inc:36
Stack trace:
#0 /var/www/public/usersc/plugins/azure_ad_oauth/assets/inc/mysql.php(12): require_once()
#1 /var/www/public/usersc/plugins/azure_ad_oauth/assets/inc/auth.php(12): require_once('/var/www/public...')
#2 /var/www/public/usersc/plugins/azure_ad_oauth/assets/index.php(18): include('/var/www/public...')
#3 {main}
  thrown in /var/www/public/usersc/plugins/azure_ad_oauth/assets/inc/config.inc on line 36