SSIS package(2008R2 SP1) fails with CPackage::LoadFromXML fails.

Hi ,

While executing the ssis package(master package), I'm getting  the below error in one of the package.Currently using 2008 R2 SP1 on Winows server.

Microsoft Visual Studio is unable to load this document.the package
failed to load due to 0XC0010014.This occurs when
CPackage::LoadFromXML fails.

Thanks for any help.