FlyOne A320 unexpectedly fly's over closed Ukrainian Airspace

A FlyOne Airbus A320 flying from Yerevan, Armenia (EVN), to Milan, Italy (MXP) suddenly diverted off course and started heading into closed airspace around 1 hour into its 4 hour long flight.

The aircraft is still currently flying over the Black sea and is heading further into the restricted airspace. There is currently no evidence as to why the Aircraft has taken this obscure route