Subscription Error

-- url of the page with the problem -- : soact.org/administrator/index.php?option=com_hikaserial
-- HikaShop version -- : 4.2.2 [1912041847]
-- HikaSerial version -- : 3.0.1
-- Joomla version -- : 3.9.13
-- Error-message(debug-mod must be tuned on) -- : Your language file is currently not installed. Load the latest version from our server

I am not able to read configure the component due to the language error.
How can this issue be resolved?

Hello Jerome,
I have clicked on the install button. The following image is what i see.
I cannot read anything.

Thanks,
Wrina

And, when I click on the link to load the language file nothing happens.