Exception: ActiveRecord::ActiveRecordError

Subclasses:

AdapterError, AdapterNotFound, AdapterNotSpecified, AdapterTimeout, AmbiguousSourceReflectionForThroughAssociation, AssociationNotFoundError, AssociationTypeMismatch, AsynchronousQueryInsideTransactionError, AttributeAssignmentError, CompositePrimaryKeyMismatchError, ConcurrentMigrationError, ConfigurationError, ConnectionFailed, ConnectionNotEstablished, ConnectionTimeoutError, DangerousAttributeError, DatabaseAlreadyExists, DatabaseConnectionError, Deadlocked, DeleteRestrictionError, DuplicateMigrationNameError, DuplicateMigrationVersionError, EagerLoadPolymorphicError, EnvironmentMismatchError, EnvironmentStorageError, ExclusiveConnectionTimeoutError, FixtureClassNotFound, HasManyThroughAssociationNotFoundError, HasManyThroughAssociationPointlessSourceTypeError, HasManyThroughAssociationPolymorphicSourceError, HasManyThroughAssociationPolymorphicThroughError, HasManyThroughCantAssociateThroughHasOneOrManyReflection, HasManyThroughNestedAssociationsAreReadonly, HasManyThroughOrderError, HasManyThroughSourceAssociationNotFoundError, HasOneAssociationPolymorphicThroughError, HasOneThroughCantAssociateThroughCollection, HasOneThroughCantAssociateThroughHasOneOrManyReflection, HasOneThroughNestedAssociationsAreReadonly, IllegalMigrationNameError, ImmutableRelation, InvalidForeignKey, InverseOfAssociationNotFoundError, InverseOfAssociationRecursiveError, IrreversibleMigration, IrreversibleOrderError, LockWaitTimeout, MigrationError, MismatchedForeignKey, MultiparameterAssignmentErrors, NoDatabaseError, NoEnvironmentInSchemaError, NotNullViolation, PendingMigrationError, PreparedStatementCacheExpired, PreparedStatementInvalid, ProtectedEnvironmentError, QueryAborted, QueryCanceled, RangeError, ReadOnlyError, ReadOnlyRecord, ReadonlyAttributeError, RecordInvalid, RecordNotDestroyed, RecordNotFound, RecordNotSaved, RecordNotUnique, Rollback, SQLWarning, SerializationFailure, SerializationTypeMismatch, SoleRecordExceeded, StaleObjectError, StatementInvalid, StatementTimeout, StrictLoadingViolationError, SubclassNotFound, TableNotSpecified, ThroughCantAssociateThroughHasOneOrManyReflection, ThroughNestedAssociationsAreReadonly, TransactionIsolationError, TransactionRollbackError, UnknownAttributeReference, UnknownMigrationVersionError, UnknownPrimaryKey, ValueTooLong, WrappedDatabaseException, NestedAttributes::TooManyRecords, ConnectionAdapters::TransactionInstrumenter::InstrumentationAlreadyStartedError, ConnectionAdapters::TransactionInstrumenter::InstrumentationNotStartedError

Class Chain:

self, StandardError

Instance Chain:

self, StandardError