Posting in the Magento forums has been disabled pending the implementation of a new and improved forum solution which should better serve the community.
For new questions please post at magento.stackexchange.com, the community-run support site for the Magento community. We will be providing updates on the new forum solution soon. For questions or concerns please email email@example.com.
You can give an identification profile for certain profiles, which are caught in a wait state, and e-mail to the sandbox test seller. Also, if possible, the application of API sends most of the answer and you get so this will be useful, and any other useful information that you may think will help the research on this issue.