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Closed 5 years ago.
Improve this questionI'm new to WordPress and I obtained a package from a third party in .zip format. When I upload it on my Wordpress system, I see
The package could not be installed. No valid plugins were found.
I reinstalled Wordpress from scratch (bitnami and AWS), and I still get the same error.
This page suggests that it is a problem with SSL, so I have checked that and it all seems in order.
How can I fix it?