Welcome to the Temporal Anomalies FAQ, where we'll try to make sense of the nonsensical.
A: A Temporal Anomaly is when the space-time continuum gets a little...wonky. Like that one time when you left your toaster on and it started making its own breakfast. But, you know, on a cosmic scale.
A: You don't. Just go to the nearest timestream therapist and let them deal with it. They're trained for this sort of thing.
If you're feeling adventurous, try to Temporal Anomalies Are Us! for more information.