[SR-Users] ERROR: pua [send_publish.c:304]: publ_cback_func(): No Expires header found

Hello! Could someone point me to the possible source of the problem? Jun 16 09:51:06 proxy-edge /usr/sbin/kamailio[9645]: ERROR: pua [send_publish.c:304]: publ_cback_func(): No Expires header found Jun 16 09:51:07 proxy-edge /usr/sbin/kamailio[9640]: ERROR: pua [send_publish.c:304]: publ_cback_func(): No Expires header found Jun 16 09:51:07 proxy-edge /usr/sbin/kamailio[9600]: ERROR: pua [send_publish.c:304]: publ_cback_func(): No Expires header found Jun 16 09:51:07 proxy-edge /usr/sbin/kamailio[9660]: ERROR: pua [send_publish.c:304]: publ_cback_func(): No Expires header found Modules settings: *loadmodule "pua.so"* *loadmodule "pua_dialoginfo"* *loadmodule "dialog.so" * *modparam("pua", "default_expires", 1200)* *modparam("pua", "outbound_proxy", LOCAL_IP_ADDR)* *modparam("pua_dialoginfo", "include_callid", 1)* *modparam("pua_dialoginfo", "include_localremote", 1)* *modparam("pua_dialoginfo", "include_tags", 1)* *modparam("pua_dialoginfo", "send_publish_flag", 8)* *modparam("dialog", "dlg_flag", 4)modparam("dialog", "db_mode", 0)modparam("dialog", "enable_stats", 1)modparam("dialog", "dlg_match_mode", 1)modparam("dialog", "default_timeout", 7200) modparam("dialog", "hash_size", 8192)* *request_route{* *...* *setflag(8);* *...* *}* Generated SIP PUBLISH: *PUBLISH sip:extension@sip.company.com &lt;sip%3Aextension(a)sip.company.com&gt; SIP/2.0* *Via: SIP/2.0/UDP 8.8.8.8;branch=z9hG4bK3e55.afdce977000000000000000000000000.0* *To: <sip:extension@sip.company.com &lt;sip%3Aextension(a)sip.company.com&gt;&gt;* *From: <sip:extension@sip.company.com &lt;sip%3Aextension(a)sip.company.com&gt;&gt;;tag=e98d9fc94bada9746d67946ab287a76f-ba77* *CSeq: 10 PUBLISH* *Call-ID: 72ef85f374c8e703-9659(a)10.10.10.10 &lt;72ef85f374c8e703-9659(a)10.10.10.10&gt;* *Content-Length: 578* *User-Agent: proxy* *Max-Forwards: 70* *Event: dialog* *Expires: 7201* *Content-Type: application/dialog-info+xml* *<?xml version="1.0"?>* *<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="0" state="full" entity="sip:extension@sip.company.com &lt;sip%3Aextension(a)sip.company.com&gt;&quot;&gt;* * <dialog id=&quot;162092997-5060-464(a)BJC.BGI.CA.BBI&quot; call-id=&quot;162092997-5060-464(a)BJC.BGI.CA.BBI&quot; direction="initiator">* * <state>Trying</state>* * <remote>* * <identity>sip:1234567890@sip.company.com &lt;sip%3A1234567890(a)sip.company.com&gt;&lt;/identity&gt;* * <target uri="sip:1234567890@sip.company.com &lt;sip%3A1234567890(a)sip.company.com&gt;&quot;/&gt;* * </remote>* * <local>* * <identity>sip:extension@sip.company.com &lt;sip%3Aextension(a)sip.company.com&gt;&lt;/identity&gt;* * <target uri="sip:extension@sip.company.com &lt;sip%3Aextension(a)sip.company.com&gt;&quot;/&gt;* * </local>* * </dialog>* *</dialog-info>* -- BR, Denys Pozniak