configuration error-could not load file or assembly crystaldecisions.reportappserver.clientdoc

　　IIS启动网站后报错：　　

configuration error

Could not load file or assembly 'crystaldecisions.reportappserver.clientdoc,...'

解决办法：下载SAP Crystal Reports runtime engine for .NET Framework 4 (32-bit)

CrystalReportForVS_13_0_4.exe (http://pan.baidu.com/s/1sjrvCYT)