Problem with create chat

When i try to create new chat, i got an error "Something went wrong. Please retry". There are carbonio-ws-collaboration service logs:

root@test-zextras:/home/sysop# journalctl -f -u carbonio-ws-collaboration
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]: 07-03-2024 13:52:06.504 ERROR c.z.c.c.c.logging.ChatsLogger  : An error occurred on /rooms at com.zextras.carbonio.chats.core.infrastructure.messaging.impl.xmpp.MessageDispatcherMongooseImpl.createRoom [line 75]
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]: com.zextras.carbonio.chats.core.exception.MessageDispatcherException: Internal Server Error - Error while creating a room: [{"path":["muc_light","createRoom"],"message":"Unexpected MUCLightAdminMutation resolver crash","extensions":{"code":"resolver_crash"}}]
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at com.zextras.carbonio.chats.core.infrastructure.messaging.impl.xmpp.MessageDispatcherMongooseImpl.createRoom(MessageDispatcherMongooseImpl.java:75)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at com.zextras.carbonio.chats.core.service.impl.RoomServiceImpl.createRoom(RoomServiceImpl.java:159)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at com.zextras.carbonio.chats.core.web.api.RoomsApiServiceImpl.insertRoom(RoomsApiServiceImpl.java:95)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at com.zextras.carbonio.chats.core.logging.aop.TimedCallInterceptor.invoke(TimedCallInterceptor.java:28)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at com.zextras.carbonio.chats.api.RoomsApi.insertRoom(RoomsApi.java:214)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at java.base/java.lang.reflect.Method.invoke(Method.java:568)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:170)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:130)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.ResourceMethodInvoker.internalInvokeOnTarget(ResourceMethodInvoker.java:660)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTargetAfterFilter(ResourceMethodInvoker.java:524)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.ResourceMethodInvoker.lambda$invokeOnTarget$2(ResourceMethodInvoker.java:474)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.interception.jaxrs.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:364)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:476)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:434)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:408)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:69)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:492)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.SynchronousDispatcher.lambda$invoke$4(SynchronousDispatcher.java:261)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.SynchronousDispatcher.lambda$preprocess$0(SynchronousDispatcher.java:161)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.interception.jaxrs.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:364)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.SynchronousDispatcher.preprocess(SynchronousDispatcher.java:164)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:247)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:249)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:60)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1619)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.websocket.servlet.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:164)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1594)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:506)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1571)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1372)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:463)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1544)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1294)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:149)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.Server.handle(Server.java:562)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.HttpChannel.lambda$handle$0(HttpChannel.java:406)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:663)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:398)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:282)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:319)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.io.SocketChannelEndPoint$1.run(SocketChannelEndPoint.java:101)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:412)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:381)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:268)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.lambda$new$0(AdaptiveExecutionStrategy.java:138)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:378)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:894)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1038)
Mar 07 13:52:06 test-zextras.avroid.tech java[6203]:         at java.base/java.lang.Thread.run(Thread.java:833)

Additional information

root@test-zextras:/home/sysop# cat /etc/*release*
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.6 LTS"
NAME="Ubuntu"
VERSION="20.04.6 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.6 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal

root@test-zextras:/home/sysop# su - zextras -c "zmcontrol -v"
Carbonio Release 24.1.0

root@test-zextras:/home/sysop# free -h
              total        used        free      shared  buff/cache   available
Mem:           11Gi       8.1Gi       382Mi        64Mi       3.3Gi       3.2Gi
Swap:         3.8Gi        13Mi       3.8Gi
root@test-zextras:/home/sysop# lscpu
Architecture:                       x86_64
CPU op-mode(s):                     32-bit, 64-bit
Byte Order:                         Little Endian
Address sizes:                      40 bits physical, 48 bits virtual
CPU(s):                             4
On-line CPU(s) list:                0-3
Thread(s) per core:                 1
Core(s) per socket:                 2
Socket(s):                          2
NUMA node(s):                       2
Vendor ID:                          GenuineIntel
CPU family:                         15
Model:                              107
Model name:                         QEMU Virtual CPU version 2.5+
Stepping:                           1
CPU MHz:                            2494.140
BogoMIPS:                           4988.28
Hypervisor vendor:                  KVM
Virtualization type:                full
L1d cache:                          128 KiB
L1i cache:                          128 KiB
L2 cache:                           16 MiB
L3 cache:                           32 MiB
NUMA node0 CPU(s):                  0,1
NUMA node1 CPU(s):                  2,3
Vulnerability Gather data sampling: Not affected
Vulnerability Itlb multihit:        KVM: Vulnerable
Vulnerability L1tf:                 Mitigation; PTE Inversion
Vulnerability Mds:                  Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown
Vulnerability Meltdown:             Mitigation; PTI
Vulnerability Mmio stale data:      Unknown: No mitigations
Vulnerability Retbleed:             Not affected
Vulnerability Spec store bypass:    Vulnerable
Vulnerability Spectre v1:           Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2:           Mitigation; Retpolines, STIBP disabled, RSB filling, PBRSB-eIBRS Not affected
Vulnerability Srbds:                Not affected
Vulnerability Tsx async abort:      Not affected
Flags:                              fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx lm constant_tsc nopl xtopology cpuid tsc_known_freq pni ssse3 fma
                                    cx16 sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c hypervisor lahf_lm abm cpuid_fault pti bmi1 avx2 bmi2

Installed server by this article https://community.zextras.com/forum/postid/6847/  

Any ideas ? How to troubleshoot "chat". Thanks