Error detected while processing function <SNR>170_on_exit[6].., with neovim in ubuntu 18.04 about vista.vim HOT 8 CLOSED

{'lang': 'vim', 'kinds': {'a': {'long': 'autocommand groups', 'fold': 1, 'stl': 1}, 'c': {'long': 'commands', 'fold': 0, 'stl': 0}, 'f': {'long': 'functions', 'fold': 0, 'stl': 1},
'v': {'long': 'variables', 'fold': 1, 'stl': 0}, 'm': {'long': 'maps', 'fold': 1, 'stl': 0}, 'n': {'long': 'vimball filenames', 'fold': 0, 'stl': 1}}}

E716: Key not present in Dictionary: sro
E15: Invalid expression: g:vista#types#uctags#vim#['sro']

    Current FileType: markdown
Avaliable Executives: ['ctags']
    Global Variables:
    let g:vista#executive#ctags#support_json_format = 1
    let g:vista#executives = ['coc', 'ctags', 'lcn', 'vim_lsp']
    let g:vista#renderer#ctags = 'default'
    let g:vista#renderer#enable_icon = 0
    let g:vista#renderer#icons = {'subroutine': '洛', 'method': '', 'func': '', 'variables': '', 'namespace': '', 'field': '綠', 'interface': '禍', 'type': '', 'packages': '',
 'property': '襁', 'implementation': '', 'default': '', 'augroup': 'פּ', 'macro': '', 'enumerator': '', 'const': '', 'macros': '', 'map': 'פּ', 'fields': '綠', 'functions': '' ,
 'enum': '', 'function': '', 'target': '', 'typedef': '', 'variable': '', 'modules': '', 'constant': '', 'struct': 'פּ', 'types': '', 'module': '', 'typeParameter': '', 'pa
ckage': '', 'class': '', 'member': '', 'var': '', 'union': '鬒'}
    let g:vista_default_executive = 'ctags'
    let g:vista_echo_cursor = 0
    let g:vista_icon_indent = ['╰─ ', '├─ ']
    let g:vista_sidebar_position = 'vertical topleft'
    let g:vista_stay_on_open = 0