Unknown Error: AbanteCart core v.1.4.3 Cannot use object of type stdClass as ar

[timlight10]

Hi there, I have had some customers write in that they are struggling to check out. I see this error in the log:

Code Select Expand

Unknown Error: AbanteCart core v.1.4.3 Cannot use object of type stdClass as array
Trace:
#0 /home4/juliann7/public_html/dps/core/engine/extensions.php(168): ExtensionDefaultPPExpress->onControllerPagesSaleOrder_UpdateData('payment_details', NULL)
#1 /home4/juliann7/public_html/dps/core/engine/extensions.php(196): ExtensionCollection->dispatchMethod('onControllerPag...', Array)
#2 /home4/juliann7/public_html/dps/core/engine/extensions.php(1202): ExtensionCollection->__call('onControllerPag...', Array)
#3 /home4/juliann7/public_html/dps/core/engine/extensions.php(405): ExtensionsApi->__ExtensionsApiCall('_UpdateData', Array)
#4 /home4/juliann7/public_html/dps/admin/controller/pages/sale/order.php(1433): ExtensionsApi->__call('hk_UpdateData', Array)
#5 /home4/juliann7/public_html/dps/core/engine/dispatcher.php(306): ControllerPagesSaleOrder->payment_details()
#6 /home4/juliann7/public_html/dps/core/engine/dispatcher.php(341): ADispatcher->dispatch(Object(ControllerCommonPage))
#7 /home4/juliann7/public_html/dps/core/engine/page.php(110): ADispatcher->dispatch()
#8 /home4/juliann7/public_html/dps/core/engine/router.php(204): APage->build('common/page')
#9 /home4/juliann7/public_html/dps/core/engine/router.php(86): ARouter->route()
#10 /home4/juliann7/public_html/dps/index.php(81): ARouter->processRoute('sale/order/paym...')
#11 {main} in /home4/juliann7/public_html/dps/extensions/default_pp_express/core/default_pp_express.php on line 598
I am using Stripe, PayPal Commerce and Cheque / Money Order payment extensions in my AbanteCart 1.4.3 store.