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This topic describes only module-specific error codes. For details about universal error codes, see Universal Error Codes.
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NearLink Error Codes
Last updated: 2026-09-08 08:15
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NOTE
36100003 NearLink Disabled
Error Message
NearLink disabled.
Description
This error code is returned if a relevant API is called when NearLink is off.
Possible Causes
NearLink is turned off.
Solution
On the settings screen of the device, go to Settings > NearLink & Bluetooth > NearLink (or Settings > More connectivity options > NearLink for different products or system versions) to turn on NearLink, and try again. Alternatively, submit a ticket online.
36100020 Duplicate Port Registration
Error Message
The UUID is already registered.
Description
A port with the UUID has been registered.
Possible Causes
The same UUID is used to create a port repeatedly.
Solution
Call the dataTransfer.destroyPort API to destroy the port with the UUID, or submit a ticket online.
36100021 Number of Registered Ports Exceeds the Upper Limit
Error Message
Port exceeds the upper limit.
Description
The number of registered ports exceeds the upper limit.
Possible Causes
The number of ports allocated for data transfer reaches the upper limit.
Solution
Call dataTransfer.destroyPort to destroy other registered ports, or submit a ticket online.
36100022 Port Not Registered
Error Message
The UUID is not registered.
Description
No port with the UUID is registered.
Possible Causes
An attempt is made to destroy an unregistered port.
Solution
Ensure that the port to be destroyed has been registered, or submit a ticket online.
36100023 Data Transmission Congestion
Error Message
Write data congestion.
Description
Data transmission fails due to congestion.
Possible Causes
Data transmission in reliable transmission mode fails due to congestion at the protocol layer or on the chip.
Solution
Control data write traffic, or submit a ticket online.
36100040 Integer Out of Range
Error Message
Integer out of range.
Description
The integer is out of range.
Possible Causes
The integer is out of range.
Solution
Change the parameter value and set it to an integer within the allowed range, or submit a ticket online.
36100041 Invalid URL
Error Message
Invalid address.
Description
The URL is invalid.
Possible Causes
The URL is invalid.
Solution
Change the URL to a correct format, or submit a ticket online.
A correct URL is in the format similar to 11:22:33:AA:BB:FF, which consists of 17 characters, including hexadecimal digits and colons (:).
36100042 Empty Array
Error Message
Empty array.
Description
The array is empty.
Possible Causes
The array is empty.
Solution
Fill in the array correctly, or submit a ticket online.
36100043 Invalid UUID
Error Message
Invalid UUID.
Description
The UUID is invalid.
Possible Causes
The UUID is invalid.
Solution
Change the UUID to a correct format, or submit a ticket online.
A correct UUID is in the format similar to FFFFFFFF-1234-5678-ABCD-000000001234, which consists of 36 characters, including hexadecimal digits and hyphens (-), representing a 128-bit ID.
36100044 Standard NearLink Service UUID Not Allowed
Error Message
NearLink standard UUID not allowed.
Description
The standard NearLink service UUID is not allowed.
Possible Causes
The standard service UUID is not allowed in the API parameters. It is not allowed in the following scenarios:
-
The standard service UUID cannot be directly passed as a parameter.
-
The standard service UUID cannot be included in service structures such as custom services, attributes, and methods.
Solution
Replace the standard service UUID in the API parameters with a custom service UUID, or submit a ticket online.
The standard service UUID consists of 37BEA880-FC70-11EA-B720-000000000000 officially defined by the NearLink Alliance and a 16-bit UUID. The first 112 bits of the custom service UUID must be different from the basic ID.
36100050 Coordinated Device Set Management Not Supported
Error Message
Coordinated Devices Set Management not supported.
Description
The device does not support coordinated device set management.
Possible Causes
The device does not support coordinated device set management.
Solution
To use the coordinated device set function, use a device that supports NearLink coordinated device set management, such as the phones and tablets that support NearLink audio. Alternatively, submit a ticket online.
36100099 Operation Failed
Error Message
Operation failed.
Description
An unexpected internal error occurred during system processing.
Possible Causes
An unknown error occurred.
If the device has been paired, this error code will be returned when you call startPairing to initiate pairing.
Solution
Try again or submit a ticket online.
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