Fatal error: Out of memory (allocated 524288) (tried to allocate 28672 bytes) in C:\xampp\htdocs\hcfa\Application\Runtime\common~runtime.php on line 1

Fatal error: Cannot mix bracketed namespace declarations with unbracketed namespace declarations in C:\xampp\htdocs\hcfa\ThinkPHP\Library\Think\Log.class.php on line 11