Confirmation statement error 604

I send this code to xml gateway for confirmation statement and receiving an error
Can someone help me?
someone perfect example of this code have?
my write this code with php

<? $pass=md5(strtolower('my pass')); $input_xml ='<?xml version="1.0" encoding="UTF-8"?> true ConfirmationStatement request "rfghtrhtyjxgxrg" my presenter ID CHMD5 "'.$pass.'" my email 04340809 bf limited. 222222 my pakage refrence ConfirmationStatement CS0001 2015-07-01 2015-10-01 12345 Mr Tommy Maxwell true 1935-11-04 British Wales 34 Arthur Street Roath Cardiff GB-WLS OWNERSHIPOFSHARES_25TO50PERCENT 2015-05-26 Soft Software 15 Brithdir Street Cardiff GB-WLS UK Law Legal Form OWNERSHIPOFSHARES_25TO50PERCENT 2015-05-26 PSC_CONTACTED_BUT_NO_RESPONSE PSC_HAS_FAILED_TO_CONFIRM_CHANGED_DETAILS Legal Person Name true ' $url = ""; $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_POST, 1); curl_setopt($curl, CURLOPT_POSTFIELDS, $input_xml); $myResponse = curl_exec ($curl); var_dump(curl_exec ($curl)); curl_close ($curl); ?> my Error Code is 604

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this is my code

Can you send the XML you submitted to Simon Nicholas and our support team will investigate