I am trying to check in for a flight on the Aer Lingus website online but whenever i try to do Web Check in.......a different window pops up and then this error comes up

'Server Error
This server has encountered an internal error which prevents it from fulfilling your request. The most likely cause is a misconfiguration. Please ask the administrator to look for messages in the server's error log'


what the hell is happening. last night when it was working perfectly but i couldnt check it still wasn't 30 hours before the flight and now it is but its not working!!!!!!!!!!!!!!!!!!!!!





any help on what could be the problem?