Error detected while processing function <SNR>16_on_window_changed[4]..<SNR>16_init[20]..<SNR>16_on_colorscheme_changed[8]..airline#load_theme:
line    5:
E121: Undefined variable: g:airline#themes#dark#palette
E15: Invalid expression: g:airline#themes#{g:airline_theme}#palette
line    6:
E121: Undefined variable: palette
E116: Invalid arguments for function airline#themes#patch
Error detected while processing function <SNR>16_on_window_changed[4]..<SNR>16_init[20]..<SNR>16_on_colorscheme_changed[8]..airline#load_theme[1
3]..airline#highlighter#load_theme[7]..airline#highlighter#highlight:
line    1:
E121: Undefined variable: g:airline#themes#dark#palette
E15: Invalid expression: g:airline#themes#{g:airline_theme}#palette
Error detected while processing function <SNR>16_on_window_changed[4]..<SNR>16_init[20]..<SNR>16_on_colorscheme_changed[8]..airline#load_theme[1
3]..airline#highlighter#load_theme[8]..airline#highlighter#highlight:
line    1:
E121: Undefined variable: g:airline#themes#dark#palette
E15: Invalid expression: g:airline#themes#{g:airline_theme}#palette
Error detected while processing function <SNR>16_on_window_changed[4]..<SNR>16_init[20]..<SNR>16_on_colorscheme_changed[8]..airline#load_theme[1
4]..airline#extensions#load_theme:
line    1:
E121: Undefined variable: g:airline#themes#dark#palette
E116: Invalid arguments for function airline#util#exec_funcrefs