Exception: ActiveRecord::ActiveRecordError

Subclasses:

AdapterError, AdapterNotFound, AdapterNotSpecified, AdapterTimeout, ActiveRecord::AmbiguousSourceReflectionForThroughAssociation, ActiveRecord::AssociationNotFoundError, AssociationTypeMismatch, AsynchronousQueryInsideTransactionError, AttributeAssignmentError, ActiveRecord::CompositePrimaryKeyMismatchError, ActiveRecord::ConcurrentMigrationError, ConfigurationError, ConnectionFailed, ConnectionNotDefined, ConnectionNotEstablished, ConnectionTimeoutError, DangerousAttributeError, DatabaseAlreadyExists, DatabaseConnectionError, DatabaseVersionError, Deadlocked, ActiveRecord::DeleteRestrictionError, ActiveRecord::DuplicateMigrationNameError, ActiveRecord::DuplicateMigrationVersionError, EagerLoadPolymorphicError, EnvironmentMismatchError, ActiveRecord::EnvironmentStorageError, 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, InvalidForeignKey, ActiveRecord::InvalidMigrationTimestampError, ActiveRecord::InverseOfAssociationNotFoundError, ActiveRecord::InverseOfAssociationRecursiveError, IrreversibleMigration, IrreversibleOrderError, LockWaitTimeout, ActiveRecord::MigrationError, MismatchedForeignKey, MultiparameterAssignmentErrors, NoDatabaseError, ActiveRecord::NoEnvironmentInSchemaError, NotNullViolation, ActiveRecord::PendingMigrationError, PreparedStatementCacheExpired, PreparedStatementInvalid, ActiveRecord::ProtectedEnvironmentError, QueryAborted, QueryCanceled, RangeError, ReadOnlyError, ReadOnlyRecord, ReadonlyAttributeError, RecordInvalid, RecordNotDestroyed, RecordNotFound, RecordNotSaved, RecordNotUnique, Rollback, SQLWarning, SerializationFailure, SerializationTypeMismatch, SoleRecordExceeded, StaleObjectError, StatementInvalid, StatementTimeout, StrictLoadingViolationError, SubclassNotFound, TableNotSpecified, ActiveRecord::ThroughCantAssociateThroughHasOneOrManyReflection, ActiveRecord::ThroughNestedAssociationsAreReadonly, TransactionIsolationError, TransactionRollbackError, UnknownAttributeReference, ActiveRecord::UnknownMigrationVersionError, UnknownPrimaryKey, UnmodifiableRelation, ValueTooLong, WrappedDatabaseException, NestedAttributes::TooManyRecords, ConnectionAdapters::TransactionInstrumenter::InstrumentationAlreadyStartedError, ConnectionAdapters::TransactionInstrumenter::InstrumentationNotStartedError

Class Chain:

self, StandardError

Instance Chain:

self, StandardError