Error running front generator

[DartVerder]

Environment:
CUBA Platform version: 7.2.14
IntelliJ version: IntelliJ IDEA 2021.1.3 (Ultimate Edition)
npm version: 7.20.3
node.js version: 14.7.4

Steps:

1. Create new project (the project path should contain \mydemo (1)\)
2. Add front module (CUBA -> Advanced -> Manage Modules -> create 'front' module)

AR:

1. Error in event manager
   
   

From IDEA log:
cuba-front-exception.txt

2. REST add-on not installed
3. Adding frontend component is not avaliable
4. Message when you try to run application

FAILURE: Build failed with an exception.

* What went wrong:
A problem was found with the configuration of task ':app-front:npmInstall'.
> File 'untitled8\modules\front\package-lock.json' specified for property '$2' does not exist.