Dynamic DNS is not working.

Hello,

When I try to create a Dynamic DNS, I get the following error.

Log;

Cpanel::Exception::Timeout/(XID sm734y) Lock unavailable for 30 seconds: /var/cpanel/webcalls/.lock
 at /usr/local/cpanel/Cpanel/Async/Flock.pm line 128.
        Cpanel::Async::Flock::_get_timeout_err("/var/cpanel/webcalls/.lock", 30) called at /usr/local/cpanel/Cpanel/Async/Flock.pm line 192
        Cpanel::Async::Flock::__ANON__ called at /usr/local/cpanel/3rdparty/perl/536/cpanel-lib/x86_64-linux/AnyEvent/Loop.pm line 326
        AnyEvent::Loop::__ANON__(ARRAY(0x3ca1c10)) called at /usr/local/cpanel/3rdparty/perl/536/cpanel-lib/x86_64-linux/AnyEvent/Loop.pm line 213
        AnyEvent::Loop::one_event() called at /usr/local/cpanel/3rdparty/perl/536/cpanel-lib/x86_64-linux/AnyEvent/Impl/Perl.pm line 46
        AnyEvent::CondVar::Base::_wait(AnyEvent::CondVar=HASH(0x3ca84b0)) called at /usr/local/cpanel/3rdparty/perl/536/cpanel-lib/x86_64-linux/AnyEvent.pm line 2030
        AnyEvent::CondVar::Base::recv(AnyEvent::CondVar=HASH(0x3ca84b0)) called at /usr/local/cpanel/Cpanel/PromiseUtils.pm line 117
        Cpanel::PromiseUtils::wait_anyevent(Promise::XS::Promise=SCALAR(0x3ca80c0)) called at /usr/local/cpanel/Cpanel/Admin/Modules/Cpanel/webcalls.pm line 266
        Cpanel::Admin::Modules::Cpanel::webcalls::_get_writer() called at /usr/local/cpanel/Cpanel/Admin/Modules/Cpanel/webcalls.pm line 87
        Cpanel::Admin::Modules::Cpanel::webcalls::CREATE(Cpanel::Admin::Modules::Cpanel::webcalls=HASH(0x3b317c8), "DynamicDNS", HASH(0x3b24378)) called at /usr/local/cpanel/Cpanel/Admin/Base.pm line 737
        eval {...} called at /usr/local/cpanel/Cpanel/Admin/Base.pm line 737
        Cpanel::Admin::Base::run("Cpanel::Admin::Modules::Cpanel::webcalls", "username", undef, "uid", 1067, "function", "CREATE", "args", ...) called at /usr/local/cpanel/Cpanel/AdminBin/Server/Backend.pm line 143
        eval {...} called at /usr/local/cpanel/Cpanel/AdminBin/Server/Backend.pm line 129
        Cpanel::AdminBin::Server::Backend::run_admin_module("perl_module", "Cpanel::Admin::Modules::Cpanel::webcalls", "uid", 1067, "args", ARRAY(0x3b26258), "function", "CREATE", ...) called at /usr/local/cpanel/Cpanel/AdminBin/Server.pm line 235
        Cpanel::AdminBin::Server::_request_handler(Cpanel::AdminBin::Server=HASH(0x3b238c8), HASH(0x3b23ce8), undef) called at /usr/local/cpanel/Cpanel/AdminBin/Server.pm line 136
        Cpanel::AdminBin::Server::__ANON__() called at /usr/local/cpanel/Cpanel/Try.pm line 193
        eval {...} called at /usr/local/cpanel/Cpanel/Try.pm line 193
        Cpanel::Try::try(CODE(0x3b23ac0), "Cpanel::Exception::ProcessNotRunning", CODE(0x3b23b08)) called at /usr/local/cpanel/Cpanel/AdminBin/Server.pm line 139
        Cpanel::AdminBin::Server::handle_cpwrapd_request(Cpanel::AdminBin::Server=HASH(0x3b238c8), HASH(0x3b236d0)) called at /usr/local/cpanel/Cpanel/Server.pm line 2496
        Cpanel::Server::handle_cpwrapd_connection(Cpanel::Server=HASH(0x38e8858)) called at cpsrvd.pl line 1912
        cpanel::cpsrvd::_handle_unix_socket_connection("handle_cpwrapd_connection") called at cpsrvd.pl line 1138
        cpanel::cpsrvd::script() called at cpsrvd.pl line 447
PID 2511733: The cPanel Server operation timed out at cpsrvd.pl line 669, <GEN168> line 2.
        ...caught at /usr/local/cpanel/Cpanel/WebCalls/Type.pm line 205, <GEN168> line 2.
PID 2511559 (cpaneld - serving 127.0.0.1): Cpanel::FileUtils::Flock=GLOB(0x3bf2a50) destroyed at global destruct! at /usr/local/cpanel/Cpanel/Destruct/DestroyDetector.pm line 81 during global destruction.