Submission Review Guidelines:

• I have followed the WooCommerce Contributing Guidelines and the WordPress Coding Standards.
• I have checked to ensure there aren't other open Pull Requests for the same update/change.
• I have reviewed my code for security best practices.
• Following the above guidelines will result in quick merges and clear and detailed feedback when appropriate.

Changes proposed in this Pull Request:

If connecting a plugin from My Subscriptions fail because the license is maxed out or the product key is invalid, we want to show a more detailed error message in the notice that appears.

Closes WCCOM-1665

Screenshots or screen recordings:

Before	After

How to test the changes in this Pull Request:

Using the WooCommerce Testing Instructions Guide, include your detailed testing instructions:

Testing that has already taken place:

Changelog entry

• Automatically create a changelog entry from the details below.

• This Pull Request does not require a changelog entry. (Comment required below)