Hi Vicky,
this is a data issue again...
Although, I am not sure whether the data provided by me will help you but try to fill the data logically in the fields outlined in bold below and see if it works.
Also you can work with functional peer and trigger an IDoc outbound from ECC.
<?xml version="1.0" encoding="UTF-8" ?>
<TABNAM>EDI_DC40</TABNAM>
<MANDT>INPUT</MANDT>
<DOCNUM>000000000012345</DOCNUM>
<DOCREL>701</DOCREL>
<STATUS>30</STATUS>
<DIRECT>1</DIRECT>
<OUTMOD>2</OUTMOD>
<IDOCTYP>ORDERS05</IDOCTYP>
<MESTYP>ORDERS</MESTYP>
<SNDPOR>INPUT</SNDPOR>
<SNDPRT>LS</SNDPRT>
<SNDPRN>INPUT</SNDPRN>
<RCVPOR>INPUT</RCVPOR>
<RCVPRT>INPUT</RCVPRT>
<RCVPFC>INPUT</RCVPFC>
<RCVPRN>INPUT</RCVPRN>
<CREDAT>20130322</CREDAT>
<CRETIM>000518</CRETIM>
<SERIAL>20130322000518</SERIAL>
</EDI_DC40>
<CURCY>EUR</CURCY>
<HWAER>GBP</HWAER>
<WKURS>0.85647</WKURS>
<ZTERM>Zp01</ZTERM>
<BSART>ZINa</BSART>
<BELNR>6500002362</BELNR>
<RECIPNT_NO>IS0123</RECIPNT_NO>
</E1EDK01>
<QUALF>014</QUALF>
<ORGID>1000</ORGID>
</E1EDK14>
<QUALF>009</QUALF>
<ORGID>104</ORGID>
</E1EDK14>
<QUALF>013</QUALF>
<ORGID>ZINS</ORGID>
</E1EDK14>
<QUALF>011</QUALF>
<ORGID>1000</ORGID>
</E1EDK14>
<IDDAT>012</IDDAT>
<DATUM>20130321</DATUM>
</E1EDK03>
<IDDAT>011</IDDAT>
<DATUM>20130321</DATUM>
</E1EDK03>
<IDDAT>025</IDDAT>
<DATUM>20130322</DATUM>
</E1EDK03>
<PARVW>AG</PARVW>
<PARTN>1000</PARTN>
<BNAME>GB: Fin/SemiFin</BNAME>
<PAORG>1000</PAORG>
<ORGTX>McCain Great Britain</ORGTX>
<PAGRU>104</PAGRU>
</E1EDKA1>
<PARVW>LF</PARVW>
<PARTN>IS0530</PARTN>
<NAME1>MCCAIN FOODS HOLLAND BV</NAME1>
<SPRAS>E</SPRAS>
<SPRAS_ISO>EN</SPRAS_ISO>
</E1EDKA1>
<PARVW>ZM</PARVW>
<NAME1>MKOTHALK</NAME1>
</E1EDKA1>
<PARVW>LS</PARVW>
<PARTN>IS0530</PARTN>
</E1EDKA1>
<PARVW>WE</PARVW>
<LIFNR>0120</LIFNR>
<NAME1>Scarborough Plant</NAME1>
<NAME2>McCain Foods (GB) Ltd</NAME2>
<STRAS>Havers Hill, Eastfield</STRAS>
<ORT01>Scarborough</ORT01>
<PSTLZ>YO11 3BS</PSTLZ>
<LAND1>GB</LAND1>
<TELF1>01723 584141</TELF1>
<TELFX>01723 581230</TELFX>
<SPRAS>E</SPRAS>
<REGIO>YN</REGIO>
<SPRAS_ISO>EN</SPRAS_ISO>
</E1EDKA1>
<QUALF>001</QUALF>
<BELNR>6500002362</BELNR>
<DATUM>20130321</DATUM>
<UZEIT>000518</UZEIT>
</E1EDK02>
<QUALF>001</QUALF>
<LKOND>DDU</LKOND>
<LKTEXT>DELIVERED DUTY UNPAID</LKTEXT>
</E1EDK17>
<QUALF>002</QUALF>
<LKTEXT>DELIVERED DUTY UNPAID</LKTEXT>
</E1EDK17>
<QUALF>001</QUALF>
<TAGE>30</TAGE>
</E1EDK18>
<POSEX>00010</POSEX>
<ACTION>001</ACTION>
<PSTYP>0</PSTYP>
<MENGE>10.000</MENGE>
<MENEE>CS</MENEE>
<BMNG2>10.000</BMNG2>
<PMENE>CS</PMENE>
<VPREI>3</VPREI>
<PEINH>1</PEINH>
<NETWR>30</NETWR>
<NTGEW>150</NTGEW>
<GEWEI>KGM</GEWEI>
<MATKL>F10000001</MATKL>
<BPUMN>1</BPUMN>
<BPUMZ>1</BPUMZ>
<BRGEW>200</BRGEW>
<WERKS>0120</WERKS>
<LGORT>0020</LGORT>
<WMENG>10.000</WMENG>
<AMENG>0.000</AMENG>
<EDATU>20110808</EDATU>
</E1EDP20>
<QUALF>001</QUALF>
<IDTNR>000000001000000055</IDTNR>
<KTEXT>MCFRIES SHEPODY 6X2.5 KG - WMS</KTEXT>
</E1EDP19>
<QUALF>003</QUALF>
<IDTNR>5010228090108</IDTNR>
</E1EDP19>
</E1EDP01>
<SUMID>002</SUMID>
<SUMME>30</SUMME>
<SUNIT>EUR</SUNIT>
</E1EDS01>
</IDOC>
</ORDERS05>