Object 'xxx.rem' has been disconnected or does not exist at server

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SQL

hello friends ...

i m using sql server 2008 in which i have created linked server named 'muri', for that i m using iHistorian OLE DB Provider. and set Linked server properties as follows
1. Level Zero Only
2. Allow Inprocess

i have created a stored procedure named 'spgetltdaverage'. it is executed correctly in sql server 2008 and providing exact output as customer.
after that i used that procedure in report of report builder 2.0 and tried to execute it. it starts throwing an error as follows.

Object 'xxx.rem' has been disconnected or does not exist at server.

i m very confused. i googled for it but i m not authorized to upgrade to sql server 2008 r2. because there are others databases are running.
plz help.