Error:
Uncaught Error: Call to undefined method Mageplaza\Osc\Helper\Data::getModuleConfig() in /home/www-data/sites/murdock/app/code/Mageplaza/Osc/Helper/Data.php:661
PHP Fatal error: Uncaught Error: Call to undefined method Mageplaza\Osc\Helper\Data::serialize() in /home/www-data/sites/murdock/app/code/Mageplaza/Osc/Setup/UpgradeData.php:412

Solution:
The issue is due to the out-of-date version of Mageplaza Core module installed on your site. Please install the latest Core module as all of Mageplaza extension require an up-to-date Core to work correctly.
https://github.com/mageplaza/module-core
Was this article helpful?
Cancel
Thank you!