I updated to Ghost 2.8 and now I get this error, I really hope someone can help me:
2018-12-14T18:20:04.426445+00:00 app[web.1]: TypeError: URL is not a constructor
2018-12-14T18:20:04.426446+00:00 app[web.1]: at Object. (/app/node_modules/ghost/core/server/services/auth/members/index.js:7:20)
2018-12-14T18:20:04.426448+00:00 app[web.1]: at Module._compile (module.js:570:32)
2018-12-14T18:20:04.426449+00:00 app[web.1]: at Object.Module._extensions…js (module.js:579:10)
2018-12-14T18:20:04.426450+00:00 app[web.1]: at Module.load (module.js:487:32)
2018-12-14T18:20:04.426452+00:00 app[web.1]: at tryModuleLoad (module.js:446:12)
2018-12-14T18:20:04.426453+00:00 app[web.1]: at Function.Module._load (module.js:438:3)
2018-12-14T18:20:04.426454+00:00 app[web.1]: at Module.require (module.js:497:17)
2018-12-14T18:20:04.426456+00:00 app[web.1]: at require (internal/module.js:20:19)
2018-12-14T18:20:04.426457+00:00 app[web.1]: at Object. (/app/node_modules/ghost/core/server/services/auth/authenticate.js:7:17)
2018-12-14T18:20:04.426458+00:00 app[web.1]: at Module._compile (module.js:570:32)
2018-12-14T18:20:04.426460+00:00 app[web.1]: at Object.Module._extensions…js (module.js:579:10)
2018-12-14T18:20:04.426461+00:00 app[web.1]: at Module.load (module.js:487:32)
2018-12-14T18:20:04.426462+00:00 app[web.1]: at tryModuleLoad (module.js:446:12)
2018-12-14T18:20:04.426463+00:00 app[web.1]: at Function.Module._load (module.js:438:3)
2018-12-14T18:20:04.426465+00:00 app[web.1]: at Module.require (module.js:497:17)
2018-12-14T18:20:04.426466+00:00 app[web.1]: at require (internal/module.js:20:19)
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Ghost version: 2.8
Configuration: Heroku
Node version: 6.11.x
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