Fatal error: Uncaught Symfony\Component\Filesystem\Exception\IOException: Cannot rename "C:\wamp64\www\prestashop\var\cache\dev\cla86A3.tmp" to "C:\wamp64\www\prestashop/var/cache/dev\class_index.php". in C:\wamp64\www\prestashop\vendor\symfony\symfony\src\Symfony\Component\Filesystem\Filesystem.php:290 Stack trace: #0 C:\wamp64\www\prestashop\vendor\symfony\symfony\src\Symfony\Component\Filesystem\Filesystem.php(696): Symfony\Component\Filesystem\Filesystem->rename('C:\\wamp64\\www\\p...', 'C:\\wamp64\\www\\p...', true) #1 C:\wamp64\www\prestashop\vendor\prestashop\autoload\src\LegacyClassLoader.php(160): Symfony\Component\Filesystem\Filesystem->dumpFile('C:\\wamp64\\www\\p...', '<?php return ar...') #2 C:\wamp64\www\prestashop\vendor\prestashop\autoload\src\LegacyClassLoader.php(75): PrestaShop\Autoload\LegacyClassLoader->dumpClassIndex(Array) #3 C:\wamp64\www\prestashop\vendor\prestashop\autoload\src\PrestashopAutoload.php(47): PrestaShop\Autoload\LegacyClassLoader->buildClassIndex(true) #4 C:\wamp64\www\prestashop\vendor\prestashop\autoload\src\PrestashopAutoload.php(38): PrestaShop\Autoload\PrestashopAutoload->generateIndex() #5 C:\wamp64\www\prestashop\vendor\prestashop\autoload\src\Autoloader.php(77): PrestaShop\Autoload\PrestashopAutoload->PrestaShop\Autoload\{closure}() #6 C:\wamp64\www\prestashop\config\config.inc.php(83): PrestaShop\Autoload\Autoloader->load('Tools') #7 C:\wamp64\www\prestashop\index.php(36): require('C:\\wamp64\\www\\p...') #8 {main} thrown in C:\wamp64\www\prestashop\vendor\symfony\symfony\src\Symfony\Component\Filesystem\Filesystem.php on line 290