invalid_token

gistfile1.txt

2014-08-07 18:09:59.131 DivyaLoka[18724:60b] Error: Error Domain=com.alamofire.error.serialization.response Code=-1011 "Request failed: bad request (400)" UserInfo=0x8e4f9b0 {NSErrorFailingURLKey=https://graph.facebook.com/v2.0/746086925448119/feed?access_token=CAAUabIUsvc0BANW1q3mco6qv0h3JBhdTZBNSMwh1obtosWt9hkOgvbKV2xTQcxrs0lS1QjiuBfJZBeLzKYt5mW2cR9k6Oo644cXww78SnI1aAGjm3vER0w8wo2VQ5xRHbNEteclnioV1hSEsATGiJZCDpksqOpUgi5yW9tWZAAZA9DthTBlzTv09FCZBiUZAP4NntcoH5cGW1QTJj0qplCbAU5U1MOQjMMZD, com.alamofire.serialization.response.error.response=<NSHTTPURLResponse: 0x8e8d110> { URL: https://graph.facebook.com/v2.0/746086925448119/feed?access_token=CAAUabIUsvc0BANW1q3mco6qv0h3JBhdTZBNSMwh1obtosWt9hkOgvbKV2xTQcxrs0lS1QjiuBfJZBeLzKYt5mW2cR9k6Oo644cXww78SnI1aAGjm3vER0w8wo2VQ5xRHbNEteclnioV1hSEsATGiJZCDpksqOpUgi5yW9tWZAAZA9DthTBlzTv09FCZBiUZAP4NntcoH5cGW1QTJj0qplCbAU5U1MOQjMMZD } { status code: 400, headers {
    "Access-Control-Allow-Origin" = "*";
    "Cache-Control" = "no-store";
    Connection = "keep-alive";
    "Content-Length" = 192;
    "Content-Type" = "application/json; charset=UTF-8";
    Date = "Thu, 07 Aug 2014 14:09:54 GMT";
    Expires = "Sat, 01 Jan 2000 00:00:00 GMT";
    Pragma = "no-cache";
    "Www-Authenticate" = "OAuth \"Facebook Platform\" \"invalid_token\" \"Error validating access token: Session has expired on Aug 5, 2014 8:00am. The current time is Aug 7, 2014 7:09am.\"";
    "X-FB-Debug" = "F3nQt4HO4tmDhXlEWMJtutyEZUcBhpvkql5TDgdrWhabxUyZRmZ8JgXp8T7sp70LMVWlOy2P8dZo5j0T64ZUWA==";
    "X-FB-Rev" = 1360060;
} }, NSLocalizedDescription=Request failed: bad request (400)}