Match PO to Invoice with Distribution Sets

Hi Experts,

Need to Import  Single Invoice Line with Multiple distributions  - with Po Matching.

CSV file contains - invoice details with PO and Project details. Here Invoice match Option is PO and one Invoice line have  Multiple distributions. If i give distribution set name - it will throw an error message i.e.  'If invoice is matched to a PO,the line cannot contain distributions'. Without distribution set , getting error - duplicate line Number