[SR-Users] Textops and Multipart Body - adding ISUP segfaults Kamailio

[andre second]

Hi,
I am using Kamailio version: kamailio 4.3.0 (x86_64/linux) c6aa95 on CentOS 6
I am trying to encapsulate ISUP in the INVITE:
...if(has_body("application/sdp")){      set_body_multipart();
        if(msg_apply_changes())
        {              $var(acm) = "7e Od 04 55 75 69 20 4d 61 6b 65 43 61 6c 6c";
                append_body_part("$var(acm)","application/isup; version=itu-t92+","signal; handling=optional");        xlog("L_INFO", "ISUP Changes Applied Succesfully");        }}
...And getting the following error:
Jul  7 14:59:12 ukrcld1000 kamailio: DEBUG: <core> [msg_translator.c:1691]: get_boundary(): boundary is <--unique-boundary-1>...Jul  7 14:59:12 ukrcld1000 kamailio: DEBUG: <core> [msg_translator.c:1808]: check_boundaries(): last bondary without -- at the end
Jul  7 14:59:12 ukrcld1000 kamailio: DEBUG: <core> [msg_translator.c:1612]: replace_body(): old size body[365] actual[534]Jul  7 14:59:12 ukrcld1000 kamailio: CRITICAL: <core> [data_lump.c:463]: free_lump(): non free-able lump: 0x7f7a33d5ae40 flags=1
and then Kamailio crashes.
Can you please recommend?
Thanks,Andrei
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