Sharepoint Online is unavailable (500 INTERNAL SERVER ERROR)

%3CLINGO-SUB%20id%3D%22lingo-sub-1415718%22%20slang%3D%22en-US%22%3ESharepoint%20Online%20is%20unavailable%20(500%20INTERNAL%20SERVER%20ERROR)%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1415718%22%20slang%3D%22en-US%22%3E%3CP%3EOur%20Sharepoint%20Online%20environment%20(ADA-ICT1.sharepoint.com)%20is%20unavailable.%3C%2FP%3E%3CP%3EIt%20suddenly%20states%20the%20message%3A%26nbsp%3B%3C%2FP%3E%3CPRE%3E500%20INTERNAL%20SERVER%20ERROR%3C%2FPRE%3E%3CP%3E%26nbsp%3BDid%20I%20miss%20a%20message%20regarding%20updates%20or%20is%20the%20a%20system%20wide%20issue%3F%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-1415718%22%20slang%3D%22en-US%22%3E%3CLINGO-LABEL%3ESharePoint%20Online%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E
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Occasional Visitor

Our Sharepoint Online environment (ADA-ICT1.sharepoint.com) is unavailable.

It suddenly states the message: 

500 INTERNAL SERVER ERROR

 Did I miss a message regarding updates or is the a system wide issue?