The image is too fuzzy for me to read the error text, but it looks like you have cascading errors. Try to copy the log file for this game and paste it here.
Viewing post in Bug after fighting rebels
Here it is :
SCRIPT ERROR: sort_locations: Invalid get index 'type' (on base: 'Nil').
At: res://gui_modules/Universal/Scripts/NavigationModule.gd:37
SCRIPT ERROR: build_accessible_locations: Unable to iterate on object of type 'Nil'.
At: res://gui_modules/Universal/Scripts/NavigationModule.gd:63
SCRIPT ERROR: sort_locations: Invalid get index 'type' (on base: 'Nil').
At: res://gui_modules/Universal/Scripts/NavigationModule.gd:37
SCRIPT ERROR: build_accessible_locations: Unable to iterate on object of type 'Nil'.
At: res://gui_modules/Universal/Scripts/NavigationModule.gd:63
SCRIPT ERROR: open_city: Invalid get index 'aliron' (on base: 'Dictionary').
At: res://gui_modules/Exploration/Scripts/ExplorationModule.gd:146
SCRIPT ERROR: sort_locations: Invalid get index 'type' (on base: 'Nil').
At: res://gui_modules/Universal/Scripts/NavigationModule.gd:37
SCRIPT ERROR: build_accessible_locations: Unable to iterate on object of type 'Nil'.
At: res://gui_modules/Universal/Scripts/NavigationModule.gd:63
SCRIPT ERROR: sort_locations: Invalid get index 'type' (on base: 'Nil').
At: res://gui_modules/Universal/Scripts/NavigationModule.gd:37
SCRIPT ERROR: build_accessible_locations: Unable to iterate on object of type 'Nil'.
At: res://gui_modules/Universal/Scripts/NavigationModule.gd:63
SCRIPT ERROR: open_city: Invalid get index 'aliron' (on base: 'Dictionary').
At: res://gui_modules/Exploration/Scripts/ExplorationModule.gd:146
SCRIPT ERROR: sort_locations: Invalid get index 'type' (on base: 'Nil').
At: res://gui_modules/Universal/Scripts/NavigationModule.gd:37
SCRIPT ERROR: build_accessible_locations: Unable to iterate on object of type 'Nil'.
At: res://gui_modules/Universal/Scripts/NavigationModule.gd:63