Sales Order with multiple item is not flowing from fusion to WMS

Summary:

We trying to flow SO from fusion to WMS with multiple items, but it s getting failed at integration.

Content (please ensure you mask any confidential information

Version (include the version you are using, if applicable):

25C

Code Snippet (add any code snippets that support your topic, if applicable):

CloudInvocationException [ Fault Details :
<ns2:APIInvocationError xmlns:ns2=
<ns2:type />
<ns2:title />
<ns2:detail />
<ns2:errorCode />
<ns2:errorDetails>
<ns2:type>
<ns2:title>Bad Request</ns2:title>
<ns2:errorCode>400</ns2:errorCode>
<ns2:errorPath>&lt;![CDATA[InboundJaxrsResponse{context=ClientResponse{method=POST, uri=, status=400, reason=Bad Request}}]]&gt;</ns2:errorPath>
<ns2:instance>&lt;![CDATA[&lt;?xml version="1.0" encoding="utf-8"?>