session - Codeigniter flashdata not working in internet explorer and google chrome -


Codeigniter FlashData is not working in Internet Explorer and Chrome but it is working on Firefox. What can be the problem?

In my Controller: - 

  $ this-> Session-> Set_flashdata ('login_reference', 'your username or password is incorrect.'); Redirect (base_url () 'admin / login'.);   
 In my opinion  
  resonance '& lt; Span & gt; ' $ This- & gt; Session-> Flash data ('login_ar'). & Lt; / Span & gt; ';   
 In Chrome and that means I'm getting an empty span, while in Firefox it's displaying flash data.  
 There are similar questions on the stack but I have not got any answer which is working.   
 
 
 I solved my problem.  
 I can change from  'sess_cookie_name'  to  'ci_session'  to  'cisession'   < P> and  sess_expiration  to  7200  to  84200  and it was fixed.

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