MCDU Server

[Heidenei]

i have a prolem with FBW 320 NEO MCDU Server.
When i start the server,exe follow message is displayed

(node:14184) UnhandledPromiseRejectionWarning: Error: spawn UNKNOWN
at ChildProcess.spawn (internal/child_process.js:408:11)
at spawn (child_process.js:553:9)
at Object.execFile (child_process.js:237:17)
at execFile (pkg/prelude/bootstrap.js:1958:30)
at pkg/prelude/bootstrap.js:2026:19
at Module.i (C:\snapshot\external\node_modules\pdf-to-printer\dist\bundle.js:1:3167)
at i.next ()
at C:\snapshot\external\node_modules\pdf-to-printer\dist\bundle.js:1:3706
at new Promise ()
at Module.x (C:\snapshot\external\node_modules\pdf-to-printer\dist\bundle.js:1:3442)
(node:14184) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 2)
(node:14184) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

What is the problem. Ineed help

Norbert