Fatal error: Out of memory (allocated 6291456) (tried to allocate 65536 bytes) in C:\wordpress\wp-includes\class-phpmailer.php on line 783

Fatal error: Out of memory (allocated 6291456) (tried to allocate 65536 bytes) in C:\wordpress\wp-content\plugins\woocommerce\includes\class-woocommerce.php on line 191