Error determining local currency during MIGO ?

Hi Folks,

I have an issue . where when i carry out MIGO for a Purchase order i am getting an error like,

'' error while determining local currency ER type M date 01 12 2008 from IDR to CHF...

our OB22 is maintained with IDR and USD conversion...

Help in this will be graetly appreciated...

Regards,

Shashi