using file cache result in invalid key error

[bobonov]

What is the expected behavior?

Using php-cache/filesystem-adapter should work

What is the current behavior?

An error for invalid key is geenrated

PHP Fatal error: Uncaught Cache\Adapter\Common\Exception\InvalidArgumentException: Invalid key "phpspreadsheet-5a72ef3fb5bbe5.20523748-A1". Valid filenames must match [a-zA-Z0-9_.! ]. in /var/www/commissioni.yiib/vendor/cache/filesystem-adapter/FilesystemCachePool.php:145

What are the steps to reproduce?

Please provide a Minimal, Complete, and Verifiable example of code that exhibits the issue without relying on an external Excel file or a web server:

<?php
require __DIR__ . '/vendor/autoload.php';
$filesystemAdapter = new League\Flysystem\Adapter\Local('/tmp/');
$filesystem = new League\Flysystem\Filesystem($filesystemAdapter);
$pool = new Cache\Adapter\Filesystem\FilesystemCachePool($filesystem);
$pool->setFolder('cache');
$simpleCache = new Cache\Bridge\SimpleCache\SimpleCacheBridge($pool);

PhpOffice\PhpSpreadsheet\Settings::setCache($simpleCache);

$reader = new PhpOffice\PhpSpreadsheet\Reader\Xlsx();
$reader->setReadDataOnly(true);
$spreadsheet = $reader->load('test.xlsx');
$dataImport=$spreadsheet->getActiveSheet()->toArray();
var_dump($dataImport);

Which versions of PhpSpreadsheet and PHP are affected?

PHP 7.1
phpoffice/phpspreadsheet 1.1.0
cache/adapter-common 1.0.0
cache/filesystem-adapter 1.0.0
cache/simple-cache-bridge 1.0.0