The failing assertion is in meta_monitor_config_assign_crtcs in libmutter (core/monitor-config.c:1822)
At that point n_outputs == 1 but config->n_outputs == 0.
The failing assertion is in meta_monitor_ config_ assign_ crtcs in libmutter (core/monitor- config. c:1822)
At that point n_outputs == 1 but config->n_outputs == 0.