You need to reupload the files, you FTP client software changed file name of many of the scripts to lower case, this is the reason for the errror. Solution is reupload the files, and make sure file names are not changed.

For example, the file name

vshare/include/smarty/libs/Config_File.class.php

When you upload, it get changed to

vshare/include/smarty/libs/config_file.class.php

Make sure file should not change its name when you upload or extract.