Compiz with Separate X Screens

Hello,

I use compiz as my default window manager with Separate X Screens.

Compiz doesn’t handle my second screen.

I tried:
compiz --replace --display :0.1

Here is the output

neelix@cochrane:/etc/xdg$ compiz --replace --display :0.1
compiz (core) - Info: Loading plugin: core
compiz (core) - Info: Starting plugin: core
compiz (core) - Info: Loading plugin: ccp
compiz (core) - Info: Starting plugin: ccp
compizconfig - Info: Backend     : gsettings
compizconfig - Info: Integration : true
compizconfig - Info: Profile     : mate
compiz (core) - Info: Loading plugin: crashhandler
compiz (core) - Info: Starting plugin: crashhandler
compiz (core) - Info: Loading plugin: composite
compiz (core) - Info: Starting plugin: composite
compiz (core) - Info: Loading plugin: opengl
compiz (core) - Info: Starting plugin: opengl
Compiz (opengl) - Info: GLX_EXT_buffer_age is supported
compiz (core) - Info: Loading plugin: imgjpeg
compiz (core) - Info: Starting plugin: imgjpeg
compizconfig - Error: Option "quality" already defined
compiz (core) - Info: Loading plugin: decor
compiz (core) - Info: Starting plugin: decor
compiz (core) - Info: Loading plugin: compiztoolbox
compiz (core) - Info: Starting plugin: compiztoolbox
compiz (core) - Info: Loading plugin: commands
compiz (core) - Info: Starting plugin: commands
compiz (core) - Info: Loading plugin: resize
compiz (core) - Info: Starting plugin: resize
compiz (core) - Info: Loading plugin: place
compiz (core) - Info: Starting plugin: place
compiz (core) - Info: Loading plugin: wobbly
compiz (core) - Info: Starting plugin: wobbly
compiz (core) - Info: Loading plugin: move
compiz (core) - Info: Starting plugin: move
compiz (core) - Info: Loading plugin: imgpng
compiz (core) - Info: Starting plugin: imgpng
compiz (core) - Info: Loading plugin: regex
compiz (core) - Info: Starting plugin: regex
compiz (core) - Info: Loading plugin: matecompat
compiz (core) - Info: Starting plugin: matecompat
compiz (core) - Info: Loading plugin: vpswitch
compiz (core) - Info: Starting plugin: vpswitch
compiz (core) - Info: Loading plugin: animation
compiz (core) - Info: Starting plugin: animation
compiz (core) - Info: Loading plugin: workarounds
compiz (core) - Info: Starting plugin: workarounds
compiz (core) - Info: Loading plugin: mousepoll
compiz (core) - Info: Starting plugin: mousepoll
compiz (core) - Info: Loading plugin: fade
compiz (core) - Info: Starting plugin: fade
compiz (core) - Info: Loading plugin: cube
compiz (core) - Info: Starting plugin: cube
compiz (core) - Info: Loading plugin: rotate
compiz (core) - Info: Starting plugin: rotate
compiz (core) - Info: Loading plugin: cubeaddon
compiz (core) - Info: Starting plugin: cubeaddon
compiz (core) - Info: Loading plugin: expo
compiz (core) - Info: Starting plugin: expo

(gtk-window-decorator:7939): Gdk-CRITICAL **: gdk_display_get_screen: assertion 'screen_num == 0' failed

(gtk-window-decorator:7939): Gdk-CRITICAL **: gdk_x11_screen_supports_net_wm_hint: assertion 'GDK_IS_SCREEN (screen)' failed

(gtk-window-decorator:7939): Gdk-CRITICAL **: gdk_display_get_screen: assertion 'screen_num == 0' failed

(gtk-window-decorator:7939): Gdk-CRITICAL **: gdk_x11_screen_supports_net_wm_hint: assertion 'GDK_IS_SCREEN (screen)' failed

Ubuntu MATE 16.04 x64.

Hope someone could help.