Ambiguous class 'composer\installedversions' resolution; defined in /var/www/vhosts/pneu-bednarek.cz/httpdocs/shop/my_plugins999/vendor/composer/InstalledVersions.php and in /var/www/vhosts/pneu-bednarek.cz/httpdocs/shop/my_plugins/vendor/composer/InstalledVersions.php.