Issue on angular.js

[gnanavelshenll]

Hi,

I tried you chat application. I got this error. I cannot fix this issue. Can you help with this?

SyntaxError: Unexpected token < in JSON at position 0
at JSON.parse ()
at pc (angular.js:1065)
at Zb (angular.js:8579)
at angular.js:8664
at s (angular.js:323)
at Zc (angular.js:8663)
at c (angular.js:9389)
at angular.js:13189
at l.$eval (angular.js:14401)
at l.$digest (angular.js:14217)
(anonymous) @ angular.js:11607
(anonymous) @ angular.js:8557
(anonymous) @ angular.js:13197
$eval @ angular.js:14401
$digest @ angular.js:14217
$apply @ angular.js:14506
l @ angular.js:9659
S @ angular.js:9849
D.onload @ angular.js:9790