Error while configuring NAC in cisco 1300 error message attached in ch

[amit-patwal]

Getting below error in cisco 1300 48 port switch

%AUTHMGR-5-START: Starting 'dot1x' for client (c81f.ea86.6a79) on Interface Fa0/15
%AUTHMGR-7-RESULT: Authentication result 'no-response' from 'dot1x' for client (c81f.ea86.6a79) on Interface Fa0/15
%AUTHMGR-7-FAILOVER: Failing over from 'dot1x' for client (c81f.ea86.6a79) on Interface Fa0/15

How can i resolve it

[Mark Elsen]

          - @amit-patwal              FYI : https://community.cisco.com/t5/network-access-control/802-1x-port-authentication-not-working/m-p/2454272/highlight/true#M87304

  M.