WEBI document opening problem

Hi all,

I am working on BO XI 3.1 trail version. After completion of trail period i installed it again but now i am not able to open the previous reports with webi. It give an error msg -

"The document has been locked by the user 'administrator' on the following cluster : '@rinki:6400'. You can't open this document on the current cluster. to open the document log on the correct cluster as the correct user and save the document unsecured. If the cluster is not reachable, try to connect the following system : '@rinki:6400'. If this system is not reachable or not offline, try the previous offline session with the connection 'rinki_6400' (offline 23/06/2009 19:01:32)'. (WIS 30912)."

please tell me how can i view my previous reports.

Thanks