Dreamhost 500 Internal Server Error

After I have installed x-cart v4.4.1 under DreamHost for my new domain prescriptionglasses123.com, it shows:
Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, webmaster@prescriptionglasses123.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log. Continue reading Dreamhost 500 Internal Server Error

Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 45 bytes)

IF your wordpress blog has thoudsands of post, and we add the follow code to show all your wordpress posts:

$rand_posts = get_posts(‘numberposts=-1&orderby=title&order=ASC’);

If you try to show all posts at one page, you will have problems, and showing the following error code:

Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 45 bytes) in D:\xampp\htdocs\wp\medical\wp-includes\functions.php on line 2913 Continue reading Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 45 bytes)