KDE plasma 5.26.0 crashed when lunch firefox or chrome from plasma panel

[gemfield]

The log:

The Wayland connection broke. Did the Wayland compositor die?
The Wayland connection broke. Did the Wayland compositor die?
The Wayland connection broke. Did the Wayland compositor die?
The Wayland connection broke. Did the Wayland compositor die?
The Wayland connection broke. Did the Wayland compositor die?
The Wayland connection broke. Did the Wayland compositor die?
kdeinit5: KLauncher died unexpectedly.
kdeinit5: preparing to launch '/usr/lib/x86_64-linux-gnu/libexec/kf5/klauncher'
Gdk-Message: 01:06:31.109: firefox: Fatal IO error 11 (Resource temporarily unavailable) on X server :1.

The X11 connection broke (error 1). Did the X11 server die?
kdeinit5: Launched KLauncher, pid = 26004, result = 0
kdeinit5: PID 22904 terminated.
auth ok
[23502:23520:1022/010631.147058:ERROR:connection.cc(46)] X connection error received.
start
The X11 connection broke (error 1). Did the X11 server die?
[23502:23502:1022/010631.159979:ERROR:connection.cc(46)] X connection error received.
Exiting due to channel error.
Exiting due to channel error.
The X11 connection broke (error 1). Did the X11 server die?
The X11 connection broke (error 1). Did the X11 server die?
The X11 connection broke (error 1). Did the X11 server die?
X connection to :1 broken (explicit kill or server shutdown).
The X11 connection broke (error 1). Did the X11 server die?
Exiting due to channel error.
Exiting due to channel error.
Exiting due to channel error.
Exiting due to channel error.
QSocketNotifier: Can only be used with threads started with QThread
Gdk-Message: 01:06:31.318: google-chrome-stable: Fatal IO error 11 (Resource temporarily unavailable) on X server :1.