Chat : multiple record of your participation

Uncaught (in promise) Error: Multiple records of your participation
    at Object.recordParticipation (participation.ts:156:11)
    at turnOnInput (message.js:531:9)
    at message.js:562:5

example :

@prefix : <#>.
@prefix cal: <http://www.w3.org/2002/12/cal/ical#>.
@prefix dc: <http://purl.org/dc/elements/1.1/>.
@prefix meeting: <http://www.w3.org/ns/pim/meeting#>.
@prefix solid: <http://www.w3.org/ns/solid/terms#>.
@prefix ui: <http://www.w3.org/ns/ui#>.
@prefix wf: <http://www.w3.org/2005/01/wf/flow#>.
@prefix xsd: <http://www.w3.org/2001/XMLSchema#>.
@prefix c: </profile/card#>.
@prefix c0: <https://bourgeoa.solidcommunity.net/profile/card#>.
@prefix c1: <https://bourgeoa.solidcommunity.net:8443/profile/card#>.
@prefix c2: <https://bourgeoa.ga:3000/bourgeoa/profile/card#>.
@prefix c3: <https://bourgeoa.bourgeoa.ga:3100/profile/card#>.
@prefix c4: <https://bourgeoa.solidcommunity.net:3000/profile/card#>.
@prefix c5: <https://bourgeoa.localhost:8443/profile/card#>.
@prefix c6: <https://bourgeoa2.solidcommunity.net:3000/profile/card#>.

:id1680968762012
    cal:dtstart "2023-04-08T15:46:02Z"^^xsd:dateTime;
    wf:participant c:me;
    solid:showDeletedMessages true;
    ui:backgroundColor "#cdf9da".
---------
:id1707824621624
    cal:dtstart "2024-02-13T11:43:41Z"^^xsd:dateTime;
    wf:participant c:me;
    ui:backgroundColor "#cdf9da".
:SharedPreferences solid:showDeletedMessages true.

:this
    a meeting:LongChat;
    dc:author c:me;
    dc:created "2023-04-08T15:45:56Z"^^xsd:dateTime;
    dc:title "Chat channel";
    wf:participation
        :id1680968762012, :id1681574133207, :id1682287616183, :id1682444227787,
        :id1682517749835, :id1682522000449, :id1699891160215, :id1701108497917,
        :id1707824621624;
    ui:sharedPreferences :SharedPreferences.