GR Error - Excise invoice itmes are of diff. register type

Hi,

Excise invoice has two mat. type items... ROH and capital goods and hence the error is reflecting........

GR Error - Excise invoice items are of diff. register type...

How to handle this scenario.........invoice no. is same ........

we have split the GR.......again create PO for two diff. materials.........?

Plz. guide how to handle this error......What will be the implications?

Thanks in advance

Navin