crystal reports error in silverlight application on installation

[mr-k3y]

I have pubslihed an silverlight application which has crystal reports in the IIS server it shows me the error as below could any one help me to resolve\[code\]Configuration Error Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.Parser Error Message: Could not load file or assembly 'CrystalDecisions.ReportAppServer.Controllers, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692fbea5521e1304' or one of its dependencies. The system cannot find the file specified.Source Error:Line 32: <add assembly="log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304" />Line 33: <add assembly="CrystalDecisions.ReportSource, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304" />Line 34: <add assembly="CrystalDecisions.ReportAppServer.Controllers, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304" />Line 35: <add assembly="CrystalDecisions.ReportAppServer.DataDefModel, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304" />Line 36: <add assembly="CrystalDecisions.CrystalReports.Engine, Version=13.0.2000.0, Culture=neutral, PublicKeyToken=692FBEA5521E1304" />\[/code\]