Europa Universalis IV

Europa Universalis IV

The Idea Variation Extended Timeline Addon
Building bug while running with ET
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing Icon 'current_building' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing Checkbox 'build_fortress_supply' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing InstantTextBox 'fortress_supply_cost' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing Checkbox 'build_fortress_wall' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing InstantTextBox 'fortress_wall_cost' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing Checkbox 'build_fortress_artillery' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing InstantTextBox 'fortress_artillery_cost' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing Checkbox 'build_fortress_towers' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing InstantTextBox 'fortress_towers_cost' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing Checkbox 'build_fortress_barracks' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing InstantTextBox 'fortress_barracks_cost' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing Checkbox 'build_fortress_keep' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing InstantTextBox 'fortress_keep_cost' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing Checkbox 'build_navalbase_lvl_2' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing InstantTextBox 'navalbase_lvl_2_cost' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing Checkbox 'build_navalbase_lvl_1' in window 'new_buildings_entry2'.
[fixedwindow.cpp:2951]: interface/provinceview.gui: Missing InstantTextBox 'navalbase_lvl_1_cost' in window 'new_buildings_entry2'.

Is the error that i get, idk if its usefull log, but it crash while i'm trying to build