When I go to the step (6.2 documentation), I see an error message ..

6.2. menu items
Go to: Magento Admin Panel >> SNS MegaMenu >> Menu Items Manages >> Filter menu Group is Demo menu

ERROR:
There has been an error processing your request
Exception printing is disabled by default for security reasons.

Error log record number: 1382489963888

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I started a new installation and I am following the documentation ..
  What will be the error reason?
In localhost
  Thanks.