If an order has no tax groups, EO's debug-log generation is throwing a couple of PHP notices for that missing content, e.g.
[13-Oct-2019 08:41:55 America/Chicago] Request URI: /myadmin/edit_orders.php?oID=237&action=edit, IP address: redacted
#1 editOrders->eoFormatTaxInfoForLog() called at [/home/mystore/public_html/myadmin/includes/classes/editOrders.php:73]
#2 editOrders->getOrderInfo() called at [/home/mystore/public_html/myadmin/edit_orders.php:791]
--> PHP Notice: Undefined index: tax_groups in /home/mystore/public_html/myadmin/includes/classes/editOrders.php on line 447.
[13-Oct-2019 08:41:55 America/Chicago] Request URI: /myadmin/edit_orders.php?oID=237&action=edit, IP address: redacted
#1 editOrders->eoFormatTaxInfoForLog() called at [/home/mystore/public_html/myadmin/includes/classes/editOrders.php:73]
#2 editOrders->getOrderInfo() called at [/home/mystore/public_html/myadmin/edit_orders.php:791]
--> PHP Notice: Undefined index: tax_groups in /home/mystore/public_html/myadmin/includes/classes/editOrders.php on line 447.
If an order has no tax groups, EO's debug-log generation is throwing a couple of PHP notices for that missing content, e.g.