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Error 1 The type 'CrystalDecisions.CrystalReports.Engine.ReportClass' exists in both 'c:\Windows\assembly\GAC_MSIL\CrystalDecisions.CrystalReports.Engine\13.0.2000.0__692fbea5521e1304\CrystalDecisions.CrystalReports.Engine.dll' and 'c:\Windows\assembly\GAC_MSIL\CrystalDecisions.CrystalReports.Engine\10.5.3700.0__692fbea5521e1304\CrystalDecisions.CrystalReports.Engine.dll' c:\Users\green-ed\AppData\Local\Temp\Temporary ASP.NET Files\website7\9b2b0550\3630d10c\App_Web_vt2hutwo.2.cs 20
Posted 9-Oct-12 22:44pm

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Solution 1

You have two entries in your web.config file for Crystal Report Engine and both are having different versions. If you are using VS2010, keep the entry with 13.0 else keep the 10.5 one.

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