Create Requisition line REST API Error

Summary:

when invoke create Requisition line rest Api : /fscmRestApi/resources/11.13.18.05/purchaseRequisitions/300000902868669/child/lines from OIC3

 got following error:

{

  "type" : "http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.1",

 "title" : "Internal Server Error",

 "detail" : "",

 "o:errorCode" : "",

 "o:errorDetails" : [ {

    "type" : "http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.1",

  "title" : "Bad Request",

  "o:errorCode" : "400",

    "o:errorPath" : "<![CDATA[InboundJaxrsResponse{context=ClientResponse{method=POST, uri=https://f**********************saasfaprod1.fa.ocs.oraclecloud.com/fscmRestApi/resources/11.13.18.05/purchaseRequisitions/300000902868699/child/lines, status=400, reason=Bad Request}}]]>",

  "instance" : "<![CDATA[LineNumber 5: There is more than 1 matching record for the value provided for the Item attribute. (POR-2010876).A 400 Bad Request Error indicates that the target service is unable (or refuses) to process the request sent by the client (Oracle Integration Cloud), due to an issue that is perceived by the server to be a client problem. You can trace the cURL representation of the request sent to the target service from the Oracle Integration Cloud server logs. Try invoking the target service using cURL. It may also be that one of the intermediaries (proxy, LBR) could be returning this code. ]]>"