Same thing has happened to me. I'm running a Windows PC and my Adapt is set up on localhost:5000

My error as follows:

C:\Adapt Authoring Tool\adapt_authoring>node server

C:\Adapt Authoring Tool\adapt_authoring\lib\usermanager.js:139
var tenantName = `${profile.auth}-${newUser._id}`;
^
SyntaxError: Unexpected token ILLEGAL
at Module._compile (module.js:439:25)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Module.require (module.js:364:17)
at require (module.js:380:17)
at Object.<anonymous> (C:\Adapt Authoring Tool\adapt_authoring\lib\permissions.js:5:19)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)