BSP error on UI while editing and saving a transaction!

Hi Experts,

I am getting a dump while trying to edit partner fucntion assigned to Complaint Transaction.Any idea why is it coming or under what circumstances, such an error occurs?

Business Server Page (BSP) error

What happened?

Calling the BSP page was terminated due to an error.

SAP Note

The following error text was processed in the system:

Message E CRM_ACTION 204 cannnot be processed in plugin mode HTTP

Exception Class-CX_SY_MESSAGE_IN_PLUGIN_MODE

Error Name

Program-CL_BSP_WD_VIEW_MANAGER========CP

Include-CL_BSP_WD_VIEW_MANAGER========CM002

ABAP Class-CL_BSP_WD_VIEW_MANAGER

Method-DO_REQUEST

Line-43

Long text-

Thanks and Regards,

Rohit