error while running ssrs report

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SQL-Server-2012

hi,
I am using sql server 2012 reporting services.I am able to deploye my ssrs report successfully on local reporting server but while accessing my report through url i got following error:

An error has occurred during report processing. (rsProcessingAborted)
Cannot create a connection to data source 'ArmsDb'. (rsErrorOpeningConnection)
The feature: "The edition of Reporting Services that you are using requires that you use local SQL Server relational databases for report data sources and the report server database." is not supported in this edition of Reporting Services. (rsOperationNotSupported)


I am using remote sql server 2012 for data fetching and deploying report on local reporting server.Provide a soln.