All of a sudden when I click on "Create New Order" on my magento backend it is displaying the following error...
partyshopmalta.com is currently unable to handle this request.
HTTP ERROR 500
This is a server error. One place to check is the magento logs in var/logs but depending on what's gone wrong, there might not be any info on this error because it's quite a serious error (in the sense that this page completely broke, not just partially broke ). The place to check then is the web server or php logs on the server. Do you know how to find those or have a developer that can help?