I'm getting the error "YunaPRO not able to access your facebook profile." and can't connect to Facebook. What does it mean?

The following error means that you are currently not logged into your Facebook account.

To fix this error:

Open Facebook in a new tab and log into the Facebook profile associated with your YunaPRO account. If you have multiple Facebook profiles/pages under a single account, please switch back to the profile associated with your YunaPRO account. 

Once done, go back to the YunaPRO tab, refresh the page, and try connecting with Facebook again.

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Note: While YunaPRO is running any feature, please don’t switch Facebook profiles or log out of your Facebook account.