This topic describes only module-specific error codes. For details about universal error codes, see Universal Error Codes.
2100002 Service Connection Failure
Error Message
Failed to connect to the service.
Description
This error code is reported if a service connection failure occurs.
Possible Causes
The service is abnormal.
Procedure
Check whether system services are running properly.
2100003 System Internal Error
Error Message
System internal error.
Description
This error code is reported if a system internal error occurs.
Possible Causes
-
The memory is abnormal.
-
A null pointer is present.
Procedure
-
Check whether the memory space is sufficient. If not, clear the memory and try again.
-
Check whether the system is normal. If not, try again later or restart the device.
2204003 Repeated Registration
Error Message
Callback duplicated.
Description
This error code is reported if a callback already exists.
Possible Causes
An mDNS service with the same name and type is repeatedly registered.
Procedure
Check whether the mDNS service to be registered already exists.
2204007 Service Already Exists
Error Message
Service instance duplicated.
Description
This error code is reported if an mDNS service already exists.
Possible Causes
The previously registered mDNS service is still running.
Procedure
Check whether the mDNS service already exists.
2204008 Service Deletion Failure
Error Message
Failed to delete the service instance.
Description
This error code is reported if the mDNS service to be removed does not exist.
Possible Causes
The service has been deleted.
Procedure
Check whether the mDNS service to be deleted exists.
2204010 Message Sending Failure
Error Message
Failed to send the message.
Description
This error code is reported if messages fail to be sent through an mDNS service.
Possible Causes
The mDNS service does not exist on the LAN.
Procedure
Check whether the target mDNS service exists on the LAN.
2204006 Service Resolution Timeout
Error Message
Request timeout.
Description
This error code is reported if mDNS services of the specified type fail to be resolved.
Possible Causes
mDNS services of the specified type do not exist on the LAN.
Procedure
Check whether mDNS services of the specified type exist on the LAN.