Magento Exception printing is disabled by default for security reasons. Error log record numb

Go to folder /errors/
Change local.xml.sample to local.xml
after this change you can see few more errors.
then Open magento/lib/Zend/Cache/Backend/File.php
and search

Quote:

protected $_options = array( 'cache_dir' => 'null',

and Change it to:

Quote:

protected $_options = array( 'cache_dir' => 'tmp/',

Save the changes.

create tmp folder under root magento folder.

You are Done.