Generate app key not working

[Koen-ilvo]

Expected Behavior (or desired behavior if a feature request)

according to https://snipe-it.readme.io/docs/generate-your-app-key the following command should generate a key and set the APP_KEY value in the .env file:
php artisan key:generate

Actual Behavior

Nothing happens. The command produces no output and .env is not altered. This is the content of PHP71x64_errors.log
I refer to issue 3377. Accoring to the answer I tried several changes.
The php_mysql.dll warning is gone after adapting php.ini. However, I keep running into the no file found error:
'C:\inetpub\wwwroot\snipe-it\bootstrap/../vendor/autoload.php'
in all variations of forward and back slashes, depending on changing the value of require DIR."/../vendor/autolaod.php in line 17 of autoload.php. Shouldn't there be a 'vendor' directory in the snipe-it root in order for this to work?

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Please confirm you have done the following before posting your bug report:

• I have enabled debug mode
• [x ] I have read checked the Common Issues page

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Please provide answers to these questions before posting your bug report:

• Version of Snipe-IT you're running
  3.6.4
• What OS and web server you're running Snipe-IT on
  Windows Server 2012 R2 - IIS
• What method you used to install Snipe-IT (install.sh, manual installation, docker, etc)
  Manual installation
• WITH DEBUG TURNED ON, if you're getting an error in your browser, include that error
• What specific Snipe-IT page you're on, and what specific element you're interacting with to trigger the error
• If a stacktrace is provided in the error, include that too.
• Any errors that appear in your browser's error console.
• Confirm whether the error is reproduceable on the demo.
• Include any additional information you can find in app/storage/logs and your webserver's logs.
• Include what you've done so far in the installation, and if you got any error messages along the way.
• Indicate whether or not you've manually edited any data directly in the database

[Koen-ilvo]

I (finally) figured out how to get the key. Thanks for all the help.

[eldashjay]

I (finally) figured out how to get the key. Thanks for all the help.

So you ask for help. Then don't provide help for anyone else once you figured it out. Nice.