re: On my directory page, the ‘View All’ goes to a error page. I am not sure how to correct this. See image. When I search for say ‘Author’ there are 23 entries. When I advance to the second page to view, it goes to an error page.
I can not see your site because it is behind a coming soon landing page… but looking at the URL and reading the description of the issue, it appears you might be using this plugin or one like it or perhaps a .htaccess. Connections is not compatible with this. My suggestion is to not use the .html in your permalink as there is really no benefit in having with one exception being to maintain Google rankings for an old site but that would be better handled by setting up 301 redirects so the old links are permanently redirected to the new links while maintaining the Google rankings for those pages.
re: Purchasing LINK: I’ve uploaded about 800 members of my virtual community. I want them to be able to login to update their profiles. If I purchase the link extension, will I be able to invite them to update their profile?
When you say you’ve uploaded 800 members… what do you mean exactly. Do you mean importing them into Connections? If so, then you also need to import them as WordPress users, there are other plugins available to do this. After you do that or as part of the import by checking the appropriate box, you can invite your users to login. You should test, test and test again before importing users and emailing them as you don’t want to spam them. When the users login, that is when the Link extension will “kick” in. When they login, then their WP user account will be linked to their Connections entry. And when they are logged in, they will be able to maintain their own entry.
re: How would they be able to login?
They will login just like you would into WordPress. You could setup a login landing page. There’s many options. I do provide a free basic login plugin you could utilize.
re: I read somewhere that they will have to use the same email address that is on the account?
Yes, this is required as WordPress requires an email address to have a user account. And they must match because this is also what Link uses to match a WP user to the Connections entry.
re: Is this the only way to login? Will they need a password?
Yes, and, yes. Because WordPress requires it.
Hope that answers your questions thoroughly!