EasyBlog 5.2 RC

Cant Install App

I'm trying to install Article stream app (easysocialstream_2.0.3) in ES 2.0.17 (joomla 3.7.1). but am unable to install it.

I'm getting a blank red alert instead of successfull install message. ( I tried both methods tmp & file upload)

can you pls help
Attachments (1)
Attachments can only be downloaded by logged in users

This section can only be seen by users with a valid subscription.
If you have a valid subscription, please login now

Support is

It is currently a weekend from where we are at. Some answers may already be available on our documentation

Rest assured that we will get back to your posts as soon as the week starts!

Your time
Stack Ideas time