The current installer you are using is outdated. Please download the new 5.1.6 installer from https://stackideas.com/dashboard and install it via Extensions Manager
where do i find this?
You should download the latest version of Easyblog installer 5.1.7 from https://stackideas.com/dashboard , you can refer on my attached screenshot below.
If the installation issue still persists, can you update your Joomla backend and FTP access at your first post so we can help you check on this now?