CX_SY_MOVE_CAST_ERROR

Dear Experts,

I am facing the problem while loading BSP Page in Configurational Client but in test client it is loadind fine.

Exception Class : CX_SY_MOVE_CAST_ERROR

Error Name : MOVE_CAST_ERROR

Long text is like "During a 'CAST' operation ('?=' oder 'MOVE ? TO')a type conflict occurred. The source type '\CLASS=CL_IUICMDC_CUCOMD_IMPL' is not compatible for assigning with the target type '\CLASS=ZL_IUICMDC_CUCOMD_IMPL'".

Can any One Suggest me the cause of this Exception.

FYI: This Issue is only in configurational Client,In Test Client in Same System it is Working.

Thanks,

Krishna.