Error after generation

Hi,
I have errors in progress of generation (v2020)Checking PHP CLI…
Running composer update -n --no-suggest…
(node:4616) UnhandledPromiseRejectionWarning: Error: Command failed: composer update -n --no-suggest
at checkExecSyncError (child_process.js:621:11)
at execSync (child_process.js:657:15)
at global.Exec (C:\Program Files (x86)\PHPMaker 2020\node\node_modules\phpmaker\phpmaker.js:7:364819)
at global.RunComposerUpdate (C:\Program Files (x86)\PHPMaker 2020\node\node_modules\phpmaker\phpmaker.js:7:364644)
at C:\Program Files (x86)\PHPMaker 2020\node\node_modules\phpmaker\phpmaker.js:7:369045
at processTicksAndRejections (internal/process/task_queues.js:93:5)
(node:4616) 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(). (rejection id: 1)
(node:4616) [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.And a result:Composer generated autoload.php does not exist. Make sure you have run “composer update” at the destionation folder on your development computer and uploaded the “vendor” subfolder.

  1. Make sure you have installed Composer properly:
    https://discourse.hkvstore.com/t/migrating-to-v2022/655/1
  2. If you have old Nodejs, install the latest LTS:
    https://nodejs.org/en/download/