Same here:
Window manager warning: Failed to read saved session file /home/test/.config/metacity/sessions/10aa64f26e40f3b10d123176351730231500000075630010.ms: Failed to open file '/home/test/.config/metacity/sessions/10aa64f26e40f3b10d123176351730231500000075630010.ms': No such file or directory
Same here: .config/ metacity/ sessions/ 10aa64f26e40f3b 10d123176351730 231500000075630 010.ms: Failed to open file '/home/ test/.config/ metacity/ sessions/ 10aa64f26e40f3b 10d123176351730 231500000075630 010.ms' : No such file or directory
Window manager warning: Failed to read saved session file /home/test/
.config/ metacity/ session isn't existing.