B1 Sap error -5002: 10000100 - Document total value must be zero or greater than zero

Hi, we are presently utilizing Api with SAP Business One 10 to upload Returns to SAP.

We are utilizing adjacent querry but receiving Sap mistake -5002: 10000100 - Document full worth indispensable beryllium zero oregon greater than zero:

<BOM>
<BO>
<AdmInfo>
<Object>16</Object>
</AdmInfo>
<ORDN>
<row>
<NumAtCard>FWIZ0000001</NumAtCard>
<DocDate>20240814</DocDate>
<DocDueDate>20240814</DocDueDate>
<CardCode>510000000</CardCode>
<CardName>Victory Supermarkets Ltd1</CardName>
<DocTotal>NULL</DocTotal>
<Address>Big St 29, Marseille, France</Address>
</row>
</ORDN>
<RPD1>
<row>
<LineNum>1</LineNum>
<ItemCode>4a1848dd-52f5-11ea-b82b-00505697fa93</ItemCode>
<Quantity>5</Quantity>
<Price>3</Price>
<unitMsr>pcs</unitMsr>
<AcctCode>70000000</AcctCode>
</row>
</RPD1>
</BO>
</BOM>

Any assistance volition beryllium highly welcomed.