COnverse HEAD omemo mam becomes null 1/4

gistfile1.txt

07:42:59.257 Uncaught (in promise) TypeError: e.el.querySelector(...) is null converse-omemo.js:1261:24
    n converse-omemo.js:1261
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    yi events.js:264
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    set model.js:219
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    getDiscoInfoFeatures converse-muc.js:1202
    getDiscoInfo converse-muc.js:1154
    promise callback*getDiscoInfo converse-muc.js:1154
    refreshDiscoInfo converse-muc.js:1139
    promise callback*refreshDiscoInfo converse-muc.js:1139
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    Rs model.js:53
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    r helpers.js:25
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    t converse-chatboxes.js:99
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    open converse-muc.js:2907
    openRoom converse-bookmark-views.js:200
    openRoom converse-bookmark-views.js:178
    handleEvent parts.js:442
    __boundHandleEvent parts.js:408
    commit parts.js:435
    update template-instance.js:40
    __commitTemplateResult parts.js:248
    commit parts.js:189
    __commitIterable parts.js:287
    commit parts.js:195
    update template-instance.js:40
    __commitTemplateResult parts.js:248
    commit parts.js:189
    Wa render.js:44
    render view.js:95
    wi events.js:283
    yi events.js:264
    e events.js:50
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    _onModelEvent collection.js:662
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    yi events.js:265
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    set collection.js:215
    add collection.js:99
    t converse-chatboxes.js:109
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    (Async: async)
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    wi events.js:282
    yi events.js:264
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    getDiscoInfoFeatures converse-muc.js:1202
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    (Async: async)
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    refreshDiscoInfo converse-muc.js:1139
    (Async: promise callback)
    refreshDiscoInfo converse-muc.js:1139
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    initialize converse-muc.js:406
    InterpretGeneratorResume self-hosted:1478
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    (Async: async)
    Rs model.js:53
    r helpers.js:25
    r helpers.js:25
    r helpers.js:25
    t converse-chatboxes.js:99
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    InterpretGeneratorResume self-hosted:1478
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    (Async: async)
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    get converse-muc.js:2958