Exception: ActiveRecord::ActiveRecordError

Subclasses:

AdapterNotFound, AdapterNotSpecified, ActiveRecord::AssociationNotFoundError, AssociationTypeMismatch, AttributeAssignmentError, ConfigurationError, ConnectionNotEstablished, ConnectionTimeoutError, DangerousAttributeError, ActiveRecord::DeleteRestrictionError, ActiveRecord::DuplicateMigrationNameError, ActiveRecord::DuplicateMigrationVersionError, ActiveRecord::EagerLoadPolymorphicError, ActiveRecord::FixtureClassNotFound, ActiveRecord::HasManyThroughAssociationNotFoundError, ActiveRecord::HasManyThroughAssociationPointlessSourceTypeError, ActiveRecord::HasManyThroughAssociationPolymorphicSourceError, ActiveRecord::HasManyThroughAssociationPolymorphicThroughError, ActiveRecord::HasManyThroughCantAssociateNewRecords, ActiveRecord::HasManyThroughCantAssociateThroughHasOneOrManyReflection, ActiveRecord::HasManyThroughCantDissociateNewRecords, ActiveRecord::HasManyThroughNestedAssociationsAreReadonly, ActiveRecord::HasManyThroughSourceAssociationNotFoundError, ActiveRecord::HasOneAssociationPolymorphicThroughError, ActiveRecord::HasOneThroughCantAssociateThroughCollection, ActiveRecord::IllegalMigrationNameError, ImmutableRelation, InvalidForeignKey, ActiveRecord::InverseOfAssociationNotFoundError, IrreversibleMigration, ActiveRecord::MigrationError, MultiparameterAssignmentErrors, NoDatabaseError, ActiveRecord::PendingMigrationError, PreparedStatementInvalid, ActiveRecord::ReadOnlyAssociation, ReadOnlyRecord, RecordInvalid, RecordNotDestroyed, RecordNotFound, RecordNotSaved, RecordNotUnique, Rollback, SerializationTypeMismatch, StaleObjectError, StatementInvalid, ActiveRecord::SubclassNotFound, TransactionIsolationError, ActiveRecord::UnknownMigrationVersionError, UnknownPrimaryKey, WrappedDatabaseException, NestedAttributes::TooManyRecords

Class Chain:

self, StandardError

Instance Chain:

self, StandardError