It is best to install it from scratch on the live server rather than install and configure it locally then upload it.
If you install and configure it locally, then upload to the live server, you will need to make sure to retain the same folder structure from the local server on the live server.
In other words, it looks like you installed it to:
on the local server, you will need to upload it to:
for it to work correctly remotely.
It also looks like you have made some modifications to the power store index file that is the cause of the error you are reporting.
the error is reporting a problem in the CSSMenuWriter/cssmw_home/menu.php file, this is not a file that is in power store.