Try one or more of the following:
Make sure that the authentication options and SharePoint settings in the application configuration page match the settings for the SharePoint server. For more information, see Managing a profile.
Open a web browser, and then type the SharePoint URL.
Log in using an administrator account.
From the landing page, click the settings icon, and then click Site Settings.
From the Users and Permissions section, click Site Permissions > Check Permissions.
Type your user name.
Click Check Now.
If you still cannot resolve the problem, then contact your solution provider.