we figured out that the PAYONE extension fails to activate in the enterprise edition shops.
Only the second activation is successful, but duplicate template blocks were registered in the database. This is caused by a wrong
In the actual version
fcpohelper class exists after first activation and modifies the
metadata.php, so that the OXID eShop EE cannot fully activate the module because the
metadata.php was changed after the first activation.
Think this one is good to know for you!