Z Webdynpro Application Error

Hello Friends

i am getting following error for my Z webdynpro Applications.

Same application is working on the Development server.

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What happened?

Error in the ABAP Application Program

The current ABAP program "CL_WDR_VIEW_ELEMENT_ADAPTER===CP" had to be

terminated because it has

come across a statement that unfortunately cannot be executed.

The following syntax error occurred in program

"/1WDA/L0STANDARD==============CP " in include

"/1WDA/L0STANDARD==============CCIMP " in

line 2778:

"Field "EXPLANATION_TEXT_USAGE" is unknown. It is neither in one of the"

" specified tables nor defined by a "DATA" statement . . . . . . . . . "

"."

" "

The include has been created and last changed by:

Created by: "SAP "

Last changed by: "SAP "

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Regards,

Umesh Chaudhari