installation problem

[zgrlin]

Hello all,

I'm using nginx / mysql and php7.2 on Debian. I have an error when I installed Cachet.

$ php artisan app:install

Clearing settings cache...
Settings cache cleared!
Backing up database...
Dumping database and uploading...
sh: 1: mysqldump: not found

Backup skipped!
Backup completed!
Application key [blabla] set successfully.
Configuration cache cleared!
Configuration cached successfully!
Route cache cleared!
Routes cached successfully!
Copied Directory [/vendor/roumen/feed/src/views] To [/resources/views/vendor/feed]
Publishing complete for tag []!
PHP Fatal error: Uncaught ErrorException: count(): Parameter must be an array or an object that implements Countable in /var/www/html/Cachet/vendor/graham-campbell/exceptions/src/ExceptionIdentifier.php:51
Stack trace:
#0 [internal function]: Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(2, 'count(): Parame...', '/var/www/html/C...', 51, Array)
#1 /var/www/html/Cachet/vendor/graham-campbell/exceptions/src/ExceptionIdentifier.php(51): count(NULL)
#2 /var/www/html/Cachet/vendor/graham-campbell/exceptions/src/ExceptionHandlerTrait.php(47): GrahamCampbell\Exceptions\ExceptionIdentifier->identify(Object(ErrorException))
#3 /var/www/html/Cachet/bootstrap/cache/compiled.php(2163): GrahamCampbell\Exceptions\ExceptionHandler->report(Object(ErrorException))
#4 [internal function]: Illuminate\Foundation\Bootstrap\HandleExceptions->handleException(Object(ErrorException))
#5 {main}
thrown in /var/www/html/Cachet/vendor/graham-campbell/exceptions/src/ExceptionIdentifier.php on line 51
PHP Fatal error: Uncaught ErrorException: count(): Parameter must be an array or an object that implements Countable in /var/www/html/Cachet/vendor/graham-campbell/exceptions/src/ExceptionIdentifier.php:51
Stack trace:
#0 [internal function]: Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(2, 'count(): Parame...', '/var/www/html/C...', 51, Array)
#1 /var/www/html/Cachet/vendor/graham-campbell/exceptions/src/ExceptionIdentifier.php(51): count(NULL)
#2 /var/www/html/Cachet/vendor/graham-campbell/exceptions/src/ExceptionHandlerTrait.php(47): GrahamCampbell\Exceptions\ExceptionIdentifier->identify(Object(Symfony\Component\Debug\Exception\FatalErrorException))
#3 /var/www/html/Cachet/bootstrap/cache/compiled.php(2163): GrahamCampbell\Exceptions\ExceptionHandler->report(Object(Symfony\Component\Debug\Exception\FatalErrorException))
#4 /var/www/html/Cachet/bootstrap/cache/compiled.php(2181): Illuminate\Foundation\Bootstrap\HandleExceptions->handleException(Object(Symfony\Component\Debug\Exception\FatalErrorException))
in /var/www/html/Cachet/vendor/graham-campbell/exceptions/src/ExceptionIdentifier.php on line 51

I don't understand problem so have a good solution?

[welcome]

👋 Thank you for opening your first issue. I'm just an automated bot that's here to help you get the information you need quicker, so please ignore this message if it doesn't apply to your issue.
If you're looking for support, you should try the Slack group by registering your email address at https://cachethq-slack.herokuapp.com. Alternatively, email support@alt-three.com for our Professional support service (please note, this a paid service.)
If you're issue is with documentation, you can suggest edits by clicking the Suggest Edits link on any page, or open an issue at https://github.com/CachetHQ/Docs

[jbrooksuk]

Cachet 2.3 does not support PHP 7.2 you'll need to use Cachet 2.4.