Twitter post result

Execute Anonymous: system.debug(CardForceTwitter.Tweet('a12E0000000LOTx', 'test'));
12:52:13.165 (165000000)|EXECUTION_STARTED
12:52:13.165 (165011000)|CODE_UNIT_STARTED|[EXTERNAL]|execute_anonymous_apex
12:52:13.182 (182486000)|METHOD_ENTRY|[1]|01pE0000000rlWp|CardForceTwitter.CardForceTwitter()
12:52:13.182 (182544000)|METHOD_EXIT|[1]|CardForceTwitter
12:52:13.182 (182605000)|METHOD_ENTRY|[1]|01pE0000000rlWp|XeroInteractive.CardForceTwitter.Tweet(Id, String)
12:52:13.183 (183041000)|SOQL_EXECUTE_BEGIN|[174]|Aggregations:0|select XeroInteractive__Twitter_Consumer_Key__c, XeroInteractive__Twitter_Consumer_Secret_Key__c from CardForce_Event__c where active__c = true
12:52:13.188 (188262000)|SOQL_EXECUTE_END|[174]|Rows:1
12:52:13.188 (188693000)|SOQL_EXECUTE_BEGIN|[175]|Aggregations:0|select XeroInteractive__Code__c, XeroInteractive__Twitter_Access_Token__c from CardForce_Player__c where id = :tmpVar1
12:52:13.190 (190502000)|SOQL_EXECUTE_END|[175]|Rows:1
12:52:13.198 (198370000)|METHOD_ENTRY|[6]|01pE0000000H7Uy|Oauth.Oauth()
12:52:13.198 (198390000)|METHOD_EXIT|[6]|Oauth
12:52:13.198 (198442000)|CONSTRUCTOR_ENTRY|[177]|01pE0000000H7Uy|<init>()
12:52:13.198 (198533000)|CONSTRUCTOR_EXIT|[177]|01pE0000000H7Uy|<init>()
12:52:13.198 (198964000)|METHOD_ENTRY|[187]|01pE0000000H7Uy|XeroInteractive.Oauth.sign(System.HttpRequest)

12:52:13.199 (199439000)|METHOD_ENTRY|[99]|01pE0000000H7Uy|XeroInteractive.Oauth.refreshParameters()

12:52:13.199 (199755000)|METHOD_ENTRY|[40]|01pE0000000H7Uy|XeroInteractive.Oauth.__sfdc_callbackUrl()
12:52:13.199 (199786000)|METHOD_EXIT|[40]|01pE0000000H7Uy|XeroInteractive.Oauth.__sfdc_callbackUrl()
12:52:13.199 (199816000)|ENTERING_MANAGED_PKG|
12:52:13.199 (199847000)|METHOD_EXIT|[99]|01pE0000000H7Uy|XeroInteractive.Oauth.refreshParameters()
12:52:13.199 (199874000)|METHOD_ENTRY|[101]|01pE0000000H7Uy|XeroInteractive.Oauth.createBaseString(MAP<String,String>, System.HttpRequest)
[101]|01pE0000000H7Uy|XeroInteractive.Oauth.createBaseString(MAP<String,String>, System.HttpRequest)

12:52:13.202 (202667000)|USER_DEBUG|[103]|DEBUG|Signature base string: POST&https%3A%2F%2Fapi.twitter.com%2F1%2Fstatuses%2Fupdate.json&include_entities%3Dtrue%26oauth_consumer_key%3DXJjSKOFuD9RVnMFRlSUww%26oauth_nonce%3D-6236717063343046965%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1344628333%26oauth_token%3D244148317-r8kGmVkvlGcMTdrC5KpjiAEqRY87Aio7vFHQMqot%26oauth_version%3D1.0%26status%3DTest%26trim_user%3Dtrue

12:52:13.203 (203036000)|USER_DEBUG|[109]|DEBUG|Signature: Tn%2For%2BneA7PZ2%2BgCFhhDOQzZTIs%3D

12:52:13.203 (203667000)|USER_DEBUG|[116]|DEBUG|Authorization: OAuth oauth_version="1.0", oauth_nonce="-6236717063343046965", oauth_signature_method="HMAC-SHA1", oauth_consumer_key="XJjSKOFuD9RVnMFRlSUww", oauth_token="244148317-r8kGmVkvlGcMTdrC5KpjiAEqRY87Aio7vFHQMqot", oauth_timestamp="1344628333", oauth_signature="Tn%2For%2BneA7PZ2%2BgCFhhDOQzZTIs%3D"
12:52:13.203 (203734000)|METHOD_EXIT|[187]|01pE0000000H7Uy|XeroInteractive.Oauth.sign(System.HttpRequest)
12:52:13.203 (203798000)|ENTERING_MANAGED_PKG|
12:52:13.203 (203807000)|USER_DEBUG|[189]|DEBUG|OAuth oauth_version="1.0", oauth_nonce="-6236717063343046965", oauth_signature_method="HMAC-SHA1", oauth_consumer_key="XJjSKOFuD9RVnMFRlSUww", oauth_token="244148317-r8kGmVkvlGcMTdrC5KpjiAEqRY87Aio7vFHQMqot", oauth_timestamp="1344628333", oauth_signature="Tn%2For%2BneA7PZ2%2BgCFhhDOQzZTIs%3D"
12:52:13.203 (203954000)|CALLOUT_REQUEST|[192]|System.HttpRequest[Endpoint=https://api.twitter.com/1/statuses/update.json?status=Test&trim_user=true&include_entities=true, Method=POST]
12:52:13.535 (535378000)|CALLOUT_RESPONSE|[192]|System.HttpResponse[Status=Unauthorized, StatusCode=401]
12:52:13.535 (535576000)|METHOD_EXIT|[1]|01pE0000000rlWp|XeroInteractive.CardForceTwitter.Tweet(Id, String)

12:52:13.535 (535617000)|USER_DEBUG|[1]|DEBUG|{"error":"Could not authenticate with OAuth.","request":"\/1\/statuses\/update.json?status=Test&trim_user=true&include_entities=true"}