appId或重定向uri与授权代码或授权代码过期不匹配 - LinkedIn

Question

我收到此错误。我必须得到访问令牌。

    {"error":"invalid_request","error_description":"missing required parameters, includes an
 invalid parameter value, parameter more then once. : Unable to retrieve access token : appId 
or redirect uri does not match authorization code or authorization code expired"}