Error Number = 7319 Stored Procedure=
taPoHdr Error Description = Currency passed into the POLine does not
match the Currency in the POHdr
Node Identifier Parameters: taPoHdr
PONUMBER = 70111
VENDORID = WEYERH
<taPoHdr>
<PONUMBER>70111</PONUMBER>
<VENDORID>W001</VENDORID>
<PRMDATE>11/22/2017</PRMDATE>
<UpdateIfExists>1</UpdateIfExists>
<USRDEFND1>ABCD</USRDEFND1>
</taPoHdr>
I used my new 'decrypt' skills to figure this out, the resolution is below