This is obviously an Aer Lingus problem, but does nothing to improve perception of Dublin airport after recent months' issues (related to understaffing due to letting staff go during COVID). I typically fly into Shannon and you couldn't pay me to fly into Dublin at this point.
“Due to a major incident with a network provider, our cloud-based systems enabling check-in, boarding and our website are currently unavailable,” a spokesman said on Saturday afternoon.
So problems in the clouds grounded their airplanes. How appropriate.