SystemCheckError: (admin.E111)

[Amit Mishra]

Hey,

I am using python=  3.5 and

Django=  1.10.2

If I am running for the makemigrations --    $  python3 manage.py makemigrations

OR 

Starting server --   $ python3 manage.py runserver 0.0.0.0:8000

Its returning errors for SystemCheckError

.../mydjangoproject# python3 manage.py makemigrations

SystemCheckError: System check identified some issues:

ERRORS:

<class 'clustr.maps.reveals.admin.RevealRequestAdmin'>: (admin.E111) The value of 'list_display_links[0]' refers to 'None', which is not defined in 'list_display'.

<class 'clustr.users.admin.UserLocationHistoryAdmin'>: (admin.E111) The value of 'list_display_links[0]' refers to 'None', which is not defined in 'list_display'.

And same errors for the runserver.

Please help How can I resolve this. 

[Melvyn Sopacua]

What's not clear about the error?

There are two admin classes that have invalid list_display_links values.

The format is documented:
https://docs.djangoproject.com/en/1.10/ref/contrib/admin/#django.contrib.admin.ModelAdmin.list_display_links

And chances are you have:

list_display_links = (None, ) # notice the () and comma

If this isn't your software, consult the documentation of that
software - you probably have something not configured correctly.

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--
Melvyn Sopacua