HELP URGENT on update row on User class using rest api

[leonova]

Hi,

Please help me on updating row using rest api. Below are my current format of my arguments. Why am i getting error " {"code":101,"error":"object not found for update"}"

Array (

[method] => PUT
[requestUrl] => User/pGc1EsYKG1
[data] => Array
(
[user_fullname] => asdas
[email] => [e-mail]
[user_gender] => female

)

[action] => update

)

https://api.parse.com/1/classes/User/pGc1EsYKG1

{"code":101,"error":"object not found for update"}

Please advise.