#25267: Misleading error message for field in list_editable and not in 
list_display
-------------------------------+----------------------------------
     Reporter:  michalwerner   |      Owner:  nobody
         Type:  Bug            |     Status:  new
    Component:  contrib.admin  |    Version:  1.8
     Severity:  Normal         |   Keywords:  admin, error message
 Triage Stage:  Unreviewed     |  Has patch:  0
Easy pickings:  0              |      UI/UX:  0
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 Assume we have model with example filed {{{something}}}.
 Now, creating admin page, if we place {{{something}}} in
 {{{list_editable}}}, but NOT in `list_display` we have error like this:


 {{{
 SystemCheckError: System check identified some issues:

 ERRORS:
 <class 'someapp.admin.SomeModel'>: (admin.E122) The value of
 'list_editable[0]' refers to 'something', which is not an attribute of
 'someapp.SomeModel'.
 }}}

 Error message suggests that field {{{something}}} does not exist in model,
 but in fact it DOES exist in model and DOES NOT exist in admin's
 {{{list_display}}}, so the explanation is not true and leads to confusion.

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Ticket URL: <https://code.djangoproject.com/ticket/25267>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.

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