Exception: ActiveRecord::ActiveRecordError

Subclasses:

AdapterNotFound, AdapterNotSpecified, ActiveRecord::AmbiguousSourceReflectionForThroughAssociation, ActiveRecord::AssociationNotFoundError, AssociationTypeMismatch, AttributeAssignmentError, ActiveRecord::ConcurrentMigrationError, ConfigurationError, ConnectionNotEstablished, ConnectionTimeoutError, DangerousAttributeError, Deadlocked, ActiveRecord::DeleteRestrictionError, ActiveRecord::DuplicateMigrationNameError, ActiveRecord::DuplicateMigrationVersionError, EagerLoadPolymorphicError, EnvironmentMismatchError, ExclusiveConnectionTimeoutError, ActiveRecord::FixtureClassNotFound, ActiveRecord::HasManyThroughAssociationNotFoundError, ActiveRecord::HasManyThroughAssociationPointlessSourceTypeError, ActiveRecord::HasManyThroughAssociationPolymorphicSourceError, ActiveRecord::HasManyThroughAssociationPolymorphicThroughError, ActiveRecord::HasManyThroughCantAssociateThroughHasOneOrManyReflection, ActiveRecord::HasManyThroughNestedAssociationsAreReadonly, ActiveRecord::HasManyThroughOrderError, ActiveRecord::HasManyThroughSourceAssociationNotFoundError, ActiveRecord::HasOneAssociationPolymorphicThroughError, ActiveRecord::HasOneThroughCantAssociateThroughCollection, ActiveRecord::HasOneThroughCantAssociateThroughHasOneOrManyReflection, ActiveRecord::HasOneThroughNestedAssociationsAreReadonly, ActiveRecord::IllegalMigrationNameError, ImmutableRelation, InvalidForeignKey, ActiveRecord::InverseOfAssociationNotFoundError, IrreversibleMigration, IrreversibleOrderError, LockWaitTimeout, ActiveRecord::MigrationError, MismatchedForeignKey, MultiparameterAssignmentErrors, NoDatabaseError, ActiveRecord::NoEnvironmentInSchemaError, NotNullViolation, ActiveRecord::PendingMigrationError, PreparedStatementCacheExpired, PreparedStatementInvalid, ActiveRecord::ProtectedEnvironmentError, QueryCanceled, RangeError, ReadOnlyRecord, RecordInvalid, RecordNotDestroyed, RecordNotFound, RecordNotSaved, RecordNotUnique, Rollback, SerializationFailure, SerializationTypeMismatch, StaleObjectError, StatementInvalid, StatementTimeout, SubclassNotFound, ActiveRecord::ThroughCantAssociateThroughHasOneOrManyReflection, ActiveRecord::ThroughNestedAssociationsAreReadonly, TransactionIsolationError, TransactionRollbackError, UnknownAttributeReference, ActiveRecord::UnknownMigrationVersionError, UnknownPrimaryKey, ValueTooLong, WrappedDatabaseException, NestedAttributes::TooManyRecords

Class Chain:

self, StandardError

Instance Chain:

self, StandardError