Data method has hash values (key,value pair)

[NehaPeer]

Hello,

ajax-datatables-rails gem has method called data in datatable file.I have hash values ( key,value) so while iterating it throws below warning -
DataTables warning: table id=user-datatable - Requested unknown parameter 'return_date' for row 0, column 0. For more information about this error, please see http://datatables.net/tn/4

Need a help.

Thank you,
Neha