COnverse HEAD omemo mam becomes null 3/4

gistfile1.txt

07:46:11.114  ERROR: <message xml:lang="en" to="me@domain.tld/converse.js-34977716" from="contact@domain.tld/Conversations.-9JP" type="chat" xmlns="jabber:client"><archived by="me@domain.tld" id="1600412738065044" xmlns="urn:xmpp:mam:tmp"/><stanza-id by="me@domain.tld" id="1600412738065044" xmlns="urn:xmpp:sid:0"/><encrypted xmlns="eu.siacs.conversations.axolotl"><header sid="1558123825"><key rid="6851">MwohBdIICv62/EQE846Z1Ze+C9fsVKPMbMpcC79DvIX9qI1mEAAYACIg8gj/Fn0GUQNx0eHY5DxAbFW6TT5oxWptY4dBoX5/VZSGHafS0xi96A==</key><iv>AnDBKhiRGKdM+OAA</iv></header></encrypted><store xmlns="urn:xmpp:hints"/></message> log.js:64:19
    log log.js:64
    error log.js:81
    onMessage converse-chat.js:457
    msg_chain converse-chat.js:444
    (Async: promise callback)
    queueMessage converse-chat.js:444
    handleMAMResult converse-mam.js:68
    handleMAMResult converse-mam.js:68
    fetchArchivedMessages converse-mam.js:112
    fetchNewestMessages converse-mam.js:46
    initialize converse-mam.js:239
    wi events.js:281
    yi events.js:264
    e events.js:50
    trigger events.js:254
    trigger converse-core.js:451
    updateAfterMessagesFetched converse-chatview.js:353
    initialize converse-chatview.js:83
    Ad view.js:61
    r helpers.js:25
    initialize converse-chatview.js:1167
    wi events.js:283
    yi events.js:264
    e events.js:50
    trigger events.js:254
    _onModelEvent collection.js:662
    wi events.js:284
    yi events.js:265
    e events.js:50
    trigger events.js:254
    set collection.js:215
    add collection.js:99
    t converse-chatboxes.js:109