login details for account '{email}' were rejected

Connecting a device and testing in Xcode have you had a no profiles error?

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The operation couldn’t be completed. Unable to log in with account '{email}'. The login details for account '{email}' were rejected.
No profiles for '{bundle identifier}' were found: Xcode couldn't find any iOS App Development provisioning profiles matching '{bundle identifier}'.

These two messages are interconnected.  To resolve this step, go

Xcode > Preferences > Accounts 

Check that you are logged in.

First wave of errors resolved!  However, I might be logged in, but the next round of errors is appearing:

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Unable to process request - PLA Update available: You currently don't have access to this membership resource. To resolve this issue, agree to the latest Program License Agreement in your developer account.

No profiles for '{bundle identifier}' were found: Xcode couldn't find any iOS App Development provisioning profiles matching '{bundle identifier}'.

As the error notes, I needed to log in to my developer account so agree to the updated terms and conditions.