Error: Cannot find module 'screeps'

[Dragonisser]

Adding the mod via Steam Workshop shows following error on startup.

/api/version { Error: Cannot find module 'screeps'
at Function.Module._resolveFilename (module.js:543:15)
at Function.Module._load (module.js:473:25)
at Module.require (module.js:586:17)
at require (internal/module.js:11:18)
at app.get.errCatch (H:\Program Files (x86)\Steam\steamapps\common\Screeps\server\node_modules\screepsmod-admin-utils\lib\backend.js:47:30)
at
at process._tickCallback (internal/process/next_tick.js:188:7) code: 'MODULE_NOT_FOUND' }