Description of problem:
Just started the system. I don't know what caused the problem. Fedora 34

Version-Release number of selected component:
evolution-data-server-3.39.2-3.fc34

Additional info:
reporter:       libreport-2.14.0
backtrace_rating: 4
cgroup:         0::/user.slice/user-1000.slice/user/app.slice/evolution-calendar-factory.service
cmdline:        /usr/libexec/evolution-calendar-factory
crash_function: gnutls_realloc_fast
executable:     /usr/libexec/evolution-calendar-factory
journald_cursor: s=00af3a4c639847d2b8cf25bbfff83a55;i=809f1;b=332cf84e6404463a9f77efebd67bcd8a;m=aebe9ae22;t=5bda2c5839219;x=1da9acd1f75d3dbc
kernel:         5.11.6-300.fc34.x86_64
rootdir:        /
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 0 (10 frames)
 #6 gnutls_realloc_fast at mem.c:56
 #7 trust_list_add_compat at verify-high.c:301
 #8 gnutls_x509_trust_list_get_issuer at verify-high.c:1142
 #9 gnutls_x509_trust_list_verify_crt2 at verify-high.c:1498
 #10 gnutls_x509_trust_list_verify_crt at verify-high.c:1323
 #11 g_tls_database_gnutls_verify_chain at ../tls/gnutls/gtlsdatabase-gnutls.c:507
 #12 verify_peer_certificate at ../tls/base/gtlsconnection-base.c:1264
 #13 finish_handshake at ../tls/base/gtlsconnection-base.c:1614
 #14 g_tls_connection_base_handshake at ../tls/base/gtlsconnection-base.c:1691
 #15 soup_socket_handshake_sync at ../libsoup/soup-socket.c:1501