Apple Error Codes Database
Comprehensive Apple Error Codes
Explore our extensive database of over 5,000 Apple Ecosystem error codes. From macOS to iOS, tvOS, watchOS, and visionOS, each code is presented with its name and a concise description to help you quickly pinpoint and resolve issues.
Whether you’re a developer refining an app or a user troubleshooting a system glitch, this resource empowers you with the knowledge to decode cryptic errors and find actionable solutions. No more guesswork—just clear guidance to keep your projects and devices running smoothly.
| Number | Name & Description | Platforms | Framework | Header |
|---|---|---|---|---|
| 9 |
CBErrorAlreadyAdvertising
Bluetooth device is already advertising
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 10 |
CBErrorConnectionFailed
CoreBluetooth: connection failed.
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 11 |
CBErrorConnectionLimitReached
Connection limit reached in Core Bluetooth
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 6 |
CBErrorConnectionTimeout
Bluetooth connection timed out.
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 15 |
CBErrorEncryptionTimedOut
Encryption procedure timed out.
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 2 |
CBErrorInvalidHandle
Invalid handle in CoreBluetooth.
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 1 |
CBErrorInvalidParameters
Core Bluetooth invalid parameters.
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 10 |
CBErrorMaxConnection
Core Bluetooth has reached the maximum number of connections.
|
macOS | CoreBluetooth | CBError.h |
| 3 |
CBErrorNotConnected
CoreBluetooth not connected error
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 5 |
CBErrorOperationCancelled
Bluetooth operation was cancelled by the user or system.
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 13 |
CBErrorOperationNotSupported
Bluetooth operation not supported.
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 4 |
CBErrorOutOfSpace
Bluetooth controller is out of space
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 14 |
CBErrorPeerRemovedPairingInformation
Peer removed pairing information.
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 7 |
CBErrorPeripheralDisconnected
Peripheral was disconnected.
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 16 |
CBErrorTooManyLEPairedDevices
Too many LE devices are paired in Core Bluetooth
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 0 |
CBErrorUnknown
Unknown Bluetooth error.
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 12 |
CBErrorUnknownDevice
Specified device is not recognized.
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| 8 |
CBErrorUUIDNotAllowed
Usage of a restricted or invalid Bluetooth UUID.
|
iOS, macOS, tvOS, visionOS, watchOS | CoreBluetooth | CBError.h |
| -1102 |
cbNotFound
Could not find the specified control block.
|
macOS | CarbonCore | MacErrors.h |
| 0 |
ccNoError
No error in Kerberos credentials cache.
|
macOS | Kerberos | CredentialsCache.h |