Applies To
SQL Server 2012 Business Intelligence

Symptoms

Assume that you have a large Microsoft SQL Server 2012 Reporting Services (SSRS 2012) report that has many expressions. When you preview the report in Microsoft SQL Server 2012 Data Tools – Business Intelligence (SSDT-BI), you may receive the following error messages:

An error occurred during local report processing. The definition of the report '<Report Name>' is invalid. An unexpected error occurred while compiling expressions. Native Compiler return value '[BC30494] line is too long.' (rsUnexpectedCompilerError).

Resolution

This hotfix is included in the Microsoft SQL Server Data Tools - Business Intelligence for Visual Studio 2012, go to Microsoft Download Center to download Microsoft SQL Server Data Tools - Business Intelligence for Visual Studio 2012:DownloadDownload the package now. For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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