Crash (segmenation fault) when switching characters - TECHNICAL SUPPORT / WEB APPs BUGS

Ryzom crashes 100% reliably when the character is finished logging-in the 2nd time, thus only after I logged-out my char, only to subsequently re-login the char without closing the client.

[New Thread 0x7f46077fe700 (LWP 152760)]
[New Thread 0x7f4614f8e700 (LWP 152761)]
[New Thread 0x7f45c77fe700 (LWP 152762)]
[New Thread 0x7f4604ff9700 (LWP 152763)]
[New Thread 0x7f46067fc700 (LWP 152764)]
[New Thread 0x7f4605ffb700 (LWP 152765)]
[New Thread 0x7f46057fa700 (LWP 152766)]
[Thread 0x7f46057fa700 (LWP 152766) exited]
[Thread 0x7f45c77fe700 (LWP 152762) exited]
[Thread 0x7f4604ff9700 (LWP 152763) exited]
[Thread 0x7f46067fc700 (LWP 152764) exited]
[Thread 0x7f4605ffb700 (LWP 152765) exited]
[New Thread 0x7f45c65fd700 (LWP 152767)]
[Thread 0x7f45c65fd700 (LWP 152767) exited]
[New Thread 0x7f45c65fd700 (LWP 152768)]
[Thread 0x7f461578f700 (LWP 152681) exited]

Thread 1 "ryzom_client" received signal SIGSEGV, Segmentation fault.
0x00000000016c0f90 in NLGUI::CGroupContainer::getProprietaryContainer() const
()

The interesting backtrace should be this:

Thread 1 (Thread 0x7f46767b4740 (LWP 152075)):
#0 0x00000000016c0f90 in NLGUI::CGroupContainer::getProprietaryContainer() const ()
#1 0x0000000000eaa862 in CPeopleList::sortEx(CPeopleList::TSortOrder) ()
#2 0x0000000000ef5025 in CPeopleInterraction::addContactInList(unsigned int, ucstring const&, TCharConnectionState, unsigned char) ()
#3 0x0000000000ef8ea7 in CPeopleInterraction::addContactInList(unsigned int, unsigned int, TCharConnectionState, unsigned char) ()
#4 0x0000000000ef9057 in CPeopleInterraction::initContactLists(std::vector<unsigned int, std::allocator<unsigned int> > const&, std::vector<TCharConnectionState, std::allocator<TCharConnectionState> > const&, std::vector<ucstring, std::allocator<ucstring> > const&) ()
#5 0x00000000009fce3b in impulseTeamContactInit(NLMISC::CBitMemStream&) ()
#6 0x00000000018aeb15 in CGenericXmlMsgHeaderManager::execute(NLMISC::CBitMemStream&) ()
#7 0x0000000000b13320 in CNetworkConnection::CGenericMultiPartTemp::set(CLFECOMMON::CActio nGenericMultiPart*, CNetworkConnection*) ()
#8 0x0000000000b1a230 in CNetworkConnection::receiveNormalMessage(NLMISC::CBitMemStream&am p;) ()
#9 0x0000000000b1aab3 in CNetworkConnection::stateConnected() ()
#10 0x0000000000b1ae48 in CNetworkConnection::update() ()
#11 0x00000000009f7987 in CNetManager::update() ()
#12 0x0000000000c4d6ce in mainLoop() ()
#13 0x0000000000971496 in main ()

This is on linux, Fedora 32, arch: x86_64. Should it matter, here's the backtrace of all threads:

Spoiler