undefined method `save' for []:Array

hi all when i m trying to save my tags.this error s cmng........cn anybody help me to how to save the array

error depicting = undefined method `save' for :Array

Hi Joe,

This list is for the discussion of patches and changes to the rails code itself, rather than support for running it. Please ask on the talk list, or ask in #rubyonrails in irc.freenode.com.

Good luck, Jan