Fatal error: Out of memory (allocated 6291456) (tried to allocate 4096 bytes) in C:\xampp\htdocs\topaz\libraries\joomla\database\driver\mysqli.php on line 891

Fatal error: Out of memory (allocated 6291456) (tried to allocate 20480 bytes) in C:\xampp\htdocs\topaz\libraries\vendor\joomla\registry\src\Registry.php on line 89