[rsUnexpectedCompilerError] while building the Report

[rsUnexpectedCompilerError] An unexpected error occurred while compiling expressions. Native compiler return value: ‘[BC30251] Type 'System.CodeDom.Compiler.GeneratedCodeAttribute' has no constructors.’.

Please let us know,what is the above issue

Its not letting us to Build and Deploy the SSRS report.

Environment:

SQL Server 2005

Microsoft Visual Studio 2005 (for SSRS report)

.Net 2003