MDM JAVA API write Qualifed lookup filed error Unique constraint violated (0x84000013)

My Java code:

if (pro.getType() == 42) {//qualified Value

             subFieldIndex = new Hashtable<String, Integer>();
             subFieldSap = new Hashtable<String, String>(); */
            String subTableName = subFieldSap.get(sap_fieldCode);
            SubInfos subInfos = subInfoTable.get(subTableName);
            String splitChar = subInfos.getSplitChar();
            String splitField = subInfos.getSysCode();
            String splitValue[] = null;
            Record[] records;

            if (splitField != null) {
                String splitvalues = (String) model.getFromView(splitField);
                splitValue = splitvalues.split(splitChar);
                records = new Record[splitValue.length];
            } else {
                records = new Record[1];
            }
            TableId tableId = subInfos.getTableid();
            SubInfo[] subInfoArray = subInfos.getSubInfoArray();
            if (splitValue != null) {

                for (int j = 0; j < splitValue.length; j++) {
                    Record record = RecordFactory.createEmptyRecord(tableId);
                    TXIModel subModel = new TXIModel(null);
                    for (int i = 0; i < subInfoArray.length; i++) {
                        String subValue = "";
                        SubInfo subInfo = subInfoArray[i];
                        String subCode = subInfo.getSubCode();
                        String sysCode = subInfo.getSysCode();
                        String subType = subInfo.getType();
                        String defaultValue = subInfo.getDefaultVale();
                        if (sysCode != null && sysCode.equals(splitField)) {
                            subValue = splitValue[j];
                        } else if (defaultValue != null) {
                            subValue = defaultValue;
                        } else if ("Date".equalsIgnoreCase(subType)) {
                            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                            subValue = sdf.format(new Date());
                        } else if (sysCode != null) {
                            if (sysCode.indexOf(",") > 0) {
                                String[] sysCodes = sysCode.split(",");
                                for (int k = 0; k < sysCodes.length; k++) {
                                    subValue = (String) model.getFromView(sysCodes[k]);
                                    if (subValue != null) {
                                        break;
                                    }
                                }
                            }
                        }
                        if (subValue == null) {
                            subValue = "";
                        }
                        subModel.set(subCode, subValue);

                        if (subInfo.getReferedTableId() != null) {
                            FieldId fieldId = subInfo.getFieldId();
                            record.setFieldValue(fieldId, new LookupValue(getRecordId(subInfo.getReferedTableId(), subInfo.getReferFieldId(), subValue)));
                        } else {
                            record.setFieldValue(subInfo.getFieldId(), getmdmValue(subInfo.getFieldProperty(), subValue, subCode, null));
                        }

                    }
                    subInfos.addTXIModel(subModel);
                    records[j] = record;
                }
            } else {
                Record record = RecordFactory.createEmptyRecord(tableId);
                TXIModel subModel = new TXIModel(null);
                for (int i = 0; i < subInfoArray.length; i++) {
                    String subValue = "";
                    SubInfo subInfo = subInfoArray[i];
                    String subCode = subInfo.getSubCode();
                    String sysCode = subInfo.getSysCode();
                    String subType = subInfo.getType();
                    String defaultValue = subInfo.getDefaultVale();
                    if (defaultValue != null) {
                        subValue = defaultValue;
                    } else if ("Date".equalsIgnoreCase(subType)) {
                        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                        subValue = sdf.format(new Date());
                    } else if (sysCode != null) {
                        subValue = (String) model.getFromView(sysCode);
                    }
                    subModel.set(subCode, subValue);

                    if (subInfo.getReferedTableId() != null) {
                        FieldId fieldId = subInfo.getFieldId();
                        record.setFieldValue(fieldId, new LookupValue(getRecordId(subInfo.getReferedTableId(), subInfo.getReferFieldId(), subValue)));
                    } else {
                        record.setFieldValue(subInfo.getFieldId(), getmdmValue(subInfo.getFieldProperty(), subValue, subCode, null));
                    }

                }
                subInfos.addTXIModel(subModel);
                records[0] = record;
            }

            //Create Record in Qualified Lookup table 
            Record[] result = new Record[records.length];
            for (int i = 0; i < records.length; i++) {
                CreateRecordCommand cmd = new CreateRecordCommand(connections);
                cmd.setRecord(records[i]);
                log("subTableName="+subTableName+" i="+i+" "+records[i].toString());
                cmd.setSession(sessionStr);
                cmd.execute();

                result[i] = cmd.getRecord();
            }

System detail error :

com.sap.mdm.commands.CommandException: Unique constraint violated (0x84000013)

at com.sap.mdm.data.commands.CreateRecordCommand.executeImpl(CreateRecordCommand.java:260)

at com.sap.mdm.commands.AbstractCommandBase.execute(AbstractCommandBase.java:129)

at com.outer.SapImpl.TXISendSapMdmInfo.processQualifiedData(TXISendSapMdmInfo.java:706)

at com.outer.SapImpl.TXISendSapMdmInfo.getmdmValue(TXISendSapMdmInfo.java:636)

at com.outer.SapImpl.TXISendSapMdmInfo.generateRecords(TXISendSapMdmInfo.java:596)

at com.outer.SapImpl.TXISendSapMdmInfo.XiSapRecordsOPerator(TXISendSapMdmInfo.java:225)

at com.outer.SapImpl.TXISendSapMdmInfo.main(TXISendSapMdmInfo.java:1186)

Caused by: com.sap.mdm.internal.protocol.manual.ServerException: Unique constraint violated (0x84000013)

at com.sap.mdm.internal.protocol.manual.AbstractProtocolCommand.execute(AbstractProtocolCommand.java:132)

at com.sap.mdm.data.commands.CreateRecordCommand.executeImpl(CreateRecordCommand.java:215)

... 6 more