line 18:
E117: Unknown function: airline#parts#define_function
line 19:
E117: Unknown function: airline#parts#define_function
Press ENTER or type command to continue
(When Open vim)
Error detected while processing BufEnter Autocommands for "*":
E121: Undefined variable: g:NERDTree
Error detected while processing VimEnter Autocommands for "*":
E492: Not an editor command: NERDTree | endif
(When Open
vim
)(After load
vim
)