Business Server Page (BSP) error

Dear Sir

In Cfolder when i upload any document i get bsp error belove

SAP Note

The following error text was processed in the system:

Message E 00 001 cannot be processed in plugin mode HTTP

Exception Class CX_SY_MESSAGE_IN_PLUGIN_MODE

Error Name

Program CL_CFX_UTIL_UI================CP

Include CL_CFX_UTIL_UI================CM013

ABAP Class CL_CFX_UTIL_UI

Method ENABLE_FOREIGN_SESSION_ACCESS

Line 52

Long text -

Please Guid me what i do

Nainesh Suthar