I don't understand the article:

Posted October 07, 2022

Subtitle:

  An IT outage hit the airline's check-in and boarding systems \*last month\*

First sentence:

  Aer Lingus is seeking compensation after an outage to its IT systems led the airline to cancel more than 60 flights \*last night\*.

Which is it? Are there two separate incidents?

Then later:

  The flight cancellations occurred on September 10