There are many ways that you can face the issue for “Missing Temporary Folder wordpress” or you might not be able to upgrade or update your theme or WordPress.
To resolve there are multiple ways but here we gone follow to change the folder/file permission and give the right path to download.
Open the WP-config.php and then you can enter
define('WP_TEMP_DIR', ABSPATH . 'wp-content/');
or if that does not work you can also add
define(‘WP_TEMP_DIR’, ABSPATH . ‘/../tmp/’);
above the happy blogin.
If you still face the issue, we recomment to contact SoloStream [Premium WordPress Theme Developer and WordPress Dedicated Support