This applies if you cannot import your contacts even though you are sure you have entered the correct login information, or you see the message "The following invite was not sent due to an error" when sending invites.

Social websites update their API periodically. When this happens, OpenInviter will release updated plugins to reflect the change. Please redownload the OpenInviter general package and replace the relevant plugin(s). If the latest release does not work, please wait for a day or two before downloading again, or post a report on their forum. Opening a support ticket here will be useless, as SIMBunch do not maintain the import scripts.

You may also wish to make use of OpenInviter's autoupdate feature to save yourself the hassle. If you have trouble setting up the cron job, please consult your webhost.

Update:

It has been reported that if your server blocks port 443 (https), it will cause these problems as well.