Failed to connect to session manager: Failed to connect to the session manager: SESSION_MANAGER environment variable not defined

(xfsettingsd:2485): xfsettingsd-WARNING **: 17:55:50.392: Property "/Gdk/WindowScalingFactor" has an unsupported type "guint".
xfce4-settings(xsettings): _XSETTINGS_S0 registered on screen 0
xfce4-settings(xsettings): 31 settings changed (serial=0, len=1256)
xfce4-settings(xsettings): resource manager (xft) changed (len=1330)
xfce4-settings(displays): Detected CRTC 79.
xfce4-settings(displays): Detected CRTC 80.
xfce4-settings(displays): Detected output 82 LVDS.
xfce4-settings(pointers): initialized xi 2.3
xfce4-settings(keyboards): initialized xkb 1.0
xfce4-settings(keyboards): set auto repeat on
xfce4-settings(keyboards): set key repeat (delay=500, rate=50)
xfce4-settings(keyboards): don't set numlock
xfce4-settings(accessibility): AccessXKeys disabled
xfce4-settings(accessibility): stickykeys disabled
xfce4-settings(accessibility): slowkeys disabled
xfce4-settings(accessibility): bouncekeys disabled
xfce4-settings(accessibility): mousekeys disabled
xfce4-settings(keyboard-shortcuts): 31 shortcuts loaded
xfce4-settings(fontconfig): monitoring 163 paths
xfce4-settings(workspaces): 1 desktop names set from xfconf
xfce4-settings(displays): UPower lid event received (open -> closed).
xfce4-settings(displays): Toggling internal output LVDS.
xfce4-settings(displays): CRTC 79 assigned to LVDS.
xfce4-settings(displays): LVDS will be disabled.
xfce4-settings(displays): CRTC 79 must be temporarily disabled.
xfce4-settings(displays): Disabling CRTC 79.
xfce4-settings(displays): min_h = 200, min_w = 320, max_h = 4096, max_w = 4096, prev_h = 800, prev_w = 1280, prev_hmm = 211, prev_wmm = 338, h = 0, w = 0, hmm = 0, wmm = 0.
xfce4-settings(displays): Configuring CRTC 79.
xfce4-settings(displays): Configuring CRTC 80.
xfce4-settings(displays): RRScreenChangeNotify event received.
xfce4-settings(displays): Refreshing RandR cache.
xfce4-settings(displays): Detected CRTC 79.
xfce4-settings(displays): Detected CRTC 80.
xfce4-settings(displays): Detected output 82 LVDS.
xfce4-settings(displays): Noutput: before = 1, after = 1.
xfce4-settings(displays): RRScreenChangeNotify event received.
xfce4-settings(displays): Refreshing RandR cache.
xfce4-settings(displays): Detected CRTC 79.
xfce4-settings(displays): Detected CRTC 80.
xfce4-settings(displays): Detected output 82 LVDS.
xfce4-settings(displays): Noutput: before = 1, after = 1.
xfce4-settings(displays): UPower lid event received (closed -> open).
xfce4-settings(displays): Toggling internal output LVDS.
xfce4-settings(displays): CRTC 79 assigned to LVDS.
xfce4-settings(displays): CRTC 79, output list[0] -> 82.
xfce4-settings(displays): LVDS will be re-enabled.
xfce4-settings(displays): Normalized CRTC 79: size=1280x800, pos=0x0.
xfce4-settings(displays): min_h = 200, min_w = 320, max_h = 4096, max_w = 4096, prev_h = 800, prev_w = 1280, prev_hmm = 211, prev_wmm = 338, h = 0, w = 0, hmm = 0, wmm = 0.
xfce4-settings(displays): Configuring CRTC 79.
xfce4-settings(displays): Applying changes to CRTC 79.
xfce4-settings(displays): Applying CRTC 79 Transform: x=0.000000 y=0.000000, filter=bilinear.
xfce4-settings(displays): Configuring CRTC 80.

(xfsettingsd:2485): xfsettingsd-CRITICAL **: 17:56:11.576: Failed to apply display settings
xfce4-settings(displays): RRScreenChangeNotify event received.
xfce4-settings(displays): Refreshing RandR cache.
xfce4-settings(displays): Detected CRTC 79.
xfce4-settings(displays): Detected CRTC 80.
xfce4-settings(displays): Detected output 82 LVDS.
xfce4-settings(displays): Noutput: before = 1, after = 1.
xfce4-settings(displays): UPower lid event received (open -> closed).
xfce4-settings(displays): Toggling internal output LVDS.
xfce4-settings(displays): CRTC 79 assigned to LVDS.
xfce4-settings(displays): LVDS will be disabled.
xfce4-settings(displays): CRTC 79 must be temporarily disabled.
xfce4-settings(displays): Disabling CRTC 79.
xfce4-settings(displays): min_h = 200, min_w = 320, max_h = 4096, max_w = 4096, prev_h = 800, prev_w = 1280, prev_hmm = 211, prev_wmm = 338, h = 0, w = 0, hmm = 0, wmm = 0.
xfce4-settings(displays): Configuring CRTC 79.
xfce4-settings(displays): Configuring CRTC 80.
xfce4-settings(displays): RRScreenChangeNotify event received.
xfce4-settings(displays): Refreshing RandR cache.
xfce4-settings(displays): Detected CRTC 79.
xfce4-settings(displays): Detected CRTC 80.
xfce4-settings(displays): Detected output 82 LVDS.
xfce4-settings(displays): Noutput: before = 1, after = 1.
xfce4-settings(displays): UPower lid event received (closed -> open).
xfce4-settings(displays): Toggling internal output LVDS.
xfce4-settings(displays): CRTC 79 assigned to LVDS.
xfce4-settings(displays): CRTC 79, output list[0] -> 82.
xfce4-settings(displays): LVDS will be re-enabled.
xfce4-settings(displays): Normalized CRTC 79: size=1280x800, pos=0x0.
xfce4-settings(displays): min_h = 200, min_w = 320, max_h = 4096, max_w = 4096, prev_h = 800, prev_w = 1280, prev_hmm = 211, prev_wmm = 338, h = 0, w = 0, hmm = 0, wmm = 0.
xfce4-settings(displays): Configuring CRTC 79.
xfce4-settings(displays): Applying changes to CRTC 79.
xfce4-settings(displays): Applying CRTC 79 Transform: x=0.000000 y=0.000000, filter=bilinear.

(xfsettingsd:2485): xfsettingsd-WARNING **: 17:56:50.285: XRRSetCrtcConfig()=3, sleeping

(xfsettingsd:2485): xfsettingsd-WARNING **: 17:56:50.286: XRRSetCrtcConfig()=3, sleeping

(xfsettingsd:2485): xfsettingsd-WARNING **: 17:56:50.288: XRRSetCrtcConfig()=3, sleeping

(xfsettingsd:2485): xfsettingsd-WARNING **: 17:56:50.290: XRRSetCrtcConfig()=3, sleeping

(xfsettingsd:2485): xfsettingsd-WARNING **: 17:56:50.292: XRRSetCrtcConfig()=3, sleeping

(xfsettingsd:2485): xfsettingsd-WARNING **: 17:56:50.293: Failed to configure CRTC 79 XRRSetCrtcConfig()=3.
xfce4-settings(displays): Configuring CRTC 80.

(xfsettingsd:2485): xfsettingsd-CRITICAL **: 17:56:50.294: Failed to apply display settings