django.db.migrations.exceptions

module documentation

Undocumented

Class ​Ambiguity​Error More than one migration matches a name prefix.
Class ​Bad​Migration​Error There's a bad migration (unreadable/bad format/etc.).
Class ​Circular​Dependency​Error There's an impossible-to-resolve circular dependency.
Class ​Inconsistent​Migration​History An applied migration has some of its dependencies not applied.
Class ​Invalid​Bases​Error A model's base classes can't be resolved.
Class ​Invalid​Migration​Plan Undocumented
Class ​Irreversible​Error An irreversible migration is about to be reversed.
Class ​Migration​Schema​Missing Undocumented
Class ​Node​Not​Found​Error An attempt on a node is made that is not available in the graph.