For best usage, make sure Opencart shop is configured.
- OpenCart 2.3, 3.0+
- PHP 7+ recommeded
- PHP must have permision to write to opencart system folder (module copies omniva_m_base.ocmod.xml file from library/omniva_m folder to opencart system folder)
For instructions please check upload/system/library/omniva_m/documentation/Omniva_Shipping_OC_Manual.pdf