python - In solr search, solve the error: model 'X' has an empty model_attr 'company' and doesn't allow a default or null value -


i using solr search in django. when rebuilding index solr, following error:

model 'x' has empty model_attr 'company' , doesn't allow default or null value.

does know mistake made, , how can solve issues.

you need add 

indexes.charfield(model_attr='company', null=true)

and if want allow blank

add blank=true

indexes.charfield(model_attr='company', blank=true, null=true)

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