Syntax error in program "RMCEXCUC"..

Hi Gurus,

I am getting the following error when I enter the Transaction LBWE. Please suggest a solution for it.

<b>Error Analysis:

In the program RMCEXCUC, the following syntax error occurred:

"MCVBAKB" must be a flat structure, you cannot use internal tables, st rings, references, or structures as components.</b>

Thanks

NewBW