COPA data source data type changed for BUKRS

Hi Exp,

I've created one copa data source with cost based successfully in R/3 system. I've replicated that into BI system bu the problem is for characteristic BUKRS [Company code] the data type showing REF in BI which is non existance and hence i'm unable to activate this data source.

Coudl anyone plese help...........

Thanks & Regards,

Amarnath