web.config crystal report error

Vs2010 / Crystal Report 2013
Sir,
 
On  run of my web application I am getting following errors and warnings .  MY application folder is in D Drive and I have copied Crystalviewer13 folder inside it.
The errors ans warnings are
Message 1 Could not find schema information for the element 'businessObjects'. D:\actweb\Web.config 61 6 D:\actweb\ Message 2 Could not find schema information for the element 'crystalReports'. D:\actweb\Web.config 62 8 D:\actweb\ Message 3 Could not find schema information for the element 'rptBuildProvider'. D:\actweb\Web.config 63 10 D:\actweb\ Message 4 Could not find schema information for the element 'add'. D:\actweb\Web.config 64 12 D:\actweb\ Message 5 Could not find schema information for the attribute 'embedRp ...