No not again

What? My infinite flight sub has expired and i reinstall it and i cant link my IFC account and it says an error and i already purchased the sub The account callsign is N27OI

Summon the all mighty power of tech issues seb, he will fix your problems with the sending of an email to support@infiniteflight.com

What does the error say?

Error code 404: Cannot link community account or something else