require? X nbextensions_configurator/config_menu/main

[abdelrazekrizk]

(lab) C:\Users>jupyter nbextension enable --py --sys-prefix widgetsnbextension
Enabling notebook extension jupyter-js-widgets/extension...
- Validating: ok

(lab) C:\Users>jupyter nbextension enable --py --sys-prefix gmaps
Enabling notebook extension jupyter-gmaps/extension...
- Validating: ok

(lab) C:\Users>jupyterlab-manager
'jupyterlab-manager' is not recognized as an internal or external command,
operable program or batch file.

(lab) C:\Users>jupyter nbextension list
Known nbextensions:
config dir: C:\Users\Abdelrazek.jupyter\nbconfig
notebook section
nbextensions_configurator/config_menu/main enabled
- Validating: problems found:
- require? X nbextensions_configurator/config_menu/main
contrib_nbextensions_help_item/main enabled
- Validating: ok
jupyter-gmaps/extension enabled
- Validating: ok
codefolding/main enabled
- Validating: ok
tree section
nbextensions_configurator/tree_tab/main enabled
- Validating: problems found:
- require? X nbextensions_configurator/tree_tab/main
config dir: C:\ProgramFiles\Anaconda3\envs\lab\etc\jupyter\nbconfig
notebook section
plotlywidget/extension enabled
- Validating: ok
rise/main enabled
- Validating: ok
jupyter-js-widgets/extension enabled
- Validating: ok
nbextensions_configurator/config_menu/main enabled
- Validating: problems found:
- require? X nbextensions_configurator/config_menu/main
jupyter-gmaps/extension enabled
- Validating: ok
tree section
nbextensions_configurator/tree_tab/main enabled
- Validating: problems found:
- require? X nbextensions_configurator/tree_tab/main
config dir: C:\ProgramData\jupyter\nbconfig
notebook section
nbextensions_configurator/config_menu/main enabled
- Validating: problems found:
- require? X nbextensions_configurator/config_menu/main
contrib_nbextensions_help_item/main enabled
- Validating: ok
tree section
nbextensions_configurator/tree_tab/main enabled
- Validating: problems found:
- require? X nbextensions_configurator/tree_tab/main

[rockcor]

if everything works properly, just ignore it.
#37

[dleen]

I was experiencing this but resolved by: #127 (comment)