This topic describes only module-specific error codes. For details about universal error codes, see Universal Error Codes.
Error Message
System parameter not found.
Description
This error code is reported when the parameter does not exist in the workspace or no key has been set for the parameter.
Possible Causes
The parameter is not set or fails to be set.
Solution
Set the parameter correctly.
Error Message
Invalid system parameter value.
Description
This error code is reported when the value of the system parameter is invalid.
Possible Causes
The value of the system parameter is empty, is out of range, or contains special characters, for example, const.param.xxx.
Solution
Set the value to a valid string.
Error Message
The operation on the system permission is denied.
Description
This error code is reported when the system parameter does not have the discretionary access control (DAC) or mandatory access control (MAC) permission.
Possible Causes
The DAC or MAC permission is not configured.
Solution
Add the DAC or MAC permission as needed.
Error Message
System internal error such as out memory or deadlock.
Description
This error code is reported when the attempt to modify the const attribute settings, the socket connection, or the memory copy fails.
Possible Causes
The socket connection is abnormal, or the node fails to be added or obtained.
Solution