We define index for Sphinx in model in blocks as such:
indexes :name, :sortable => true
Whenever we do some changes in such type of index and start ThinkingSphinx it gives us error as :
ThinkingSphinx::SphinxError (unknown local index '<delta_name>' in search request):
To solve such type of issues, run
It will first do changes in config file and then will do indexing as per the changes done, then you will be able to run Thinking Sphinx.