peux tu executer le test:
Suite [Secure group chat] Test [LIME X3DH chatroom security alert]
Voici la trace interessante à la fin
2019-11-08 15:07:48:430 lime-error-It appears that peer device sip:pauline_iw8ja@sip.example.org;gr=urn:uuid:18c4423e-057e-002b-a6ff-ed31c583d02b was known with an identity key but is trying to use another one now 2019-11-08 15:07:48:430 liblinphone-error-[LIME] operation failed: Error during the peer Bundle processing : /Users/jehanmonnier/workspaces/workspace-macosx/linphone-sdk-stable/lime/src/lime_localStorage.cpp:504 Peer device sip:pauline_iw8ja@sip.example.org;gr=urn:uuid:18c4423e-057e-002b-a6ff-ed31c583d02b check failed: /Users/jehanmonnier/workspaces/workspace-macosx/linphone-sdk-stable/lime/src/lime_localStorage.cpp:491 Peer device sip:pauline_iw8ja@sip.example.org;gr=urn:uuid:18c4423e-057e-002b-a6ff-ed31c583d02b changed its Ik 2019-11-08 15:07:48:445 belle-sip-message-channel [0x106883e00]: ending recv background task with id=[a0].