Error detected while processing function <SNR>24_on_window_changed[13]..airline#update_statusline[21]..<SNR>25_invoke_funcrefs[2]..airl
ine#util#exec_funcrefs[2]..airline#extensions#quickfix#apply[2]..<SNR>59_get_text:
line 1:
E121: Undefined variable: signs
Error detected while processing function <SNR>21_BufWritePostHook[3]..<SNR>21_UpdateErrors[15]..<SNR>21_CacheErrors:
line 35:
E170: Missing :endfor
Error detected while processing function <SNR>21_BufWritePostHook[3]..<SNR>21_UpdateErrors:
line 15:
E171: Missing :endif
Can't be used together with vim-airline.