Removing null user on MongoDB

[exodo]

Hi
After importing my db from vbulletin the mongoDB ended up with a null user with id 0
on users csv i got this null,[[global:guest]],0
that makes some plugins crash
how can i remove that user ? i´m not a big expert on mongo shell comands

thank you

[nhl.pl]

Please look here.
https://community.nodebb.org/topic/4155/last-pull-from-master-new-topics-are-null/24

[exodo]

@nhl.pl said:

Please look here.
https://community.nodebb.org/topic/4155/last-pull-from-master-new-topics-are-null/24

thank you, i understand the procedure for null topic but not sure for null users