1# System Parameter Error Codes 2 3> **NOTE** 4> 5> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](errorcode-universal.md). 6 7## 14700101 Failure to Query the System Parameter 8 9**Error Message** 10 11System parameter can not be found. 12 13**Description** 14 15This error code is reported when the parameter does not exist in the workspace or no key has been set for the parameter. 16 17**Possible Causes** 18 19The parameter is not set or fails to be set. 20 21**Solution** 22 23Set the parameter correctly. 24 25## 14700102 Invalid System Parameter Value 26 27**Error Message** 28 29System parameter value is invalid. 30 31**Description** 32 33This error code is reported when the value of the system parameter is invalid. 34 35**Possible Causes** 36 37The value of the system parameter is empty, is out of range, or contains special characters, for example, "const..param.xxx". 38 39**Solution** 40 41Set the value to a valid string. 42 43## 14700103 Permission Denial for the Operation on the System Permission 44 45**Error Message** 46 47System permission operation permission denied. 48 49**Description** 50 51This error code is reported when the system parameter does not have the discretionary access control (DAC) or mandatory access control (MAC) permission. 52 53**Possible Causes** 54 55The DAC or MAC permission is not configured. 56 57**Solution** 58 59Add the DAC or MAC permission as needed. 60 61## 14700104 Internal System Error, Including Out of Memory and Deadlock 62 63**Error Message** 64 65System internal error including out of memory, deadlock etc. 66 67**Description** 68 69This error code is reported when the attempt to modify the **const** attribute settings, the socket connection, or the memory copy fails. 70 71**Possible Causes** 72 73The socket connection is abnormal, or the node fails to be added or obtained. 74 75**Solution** 76 771. Analyze the memory usage of the entire process and eliminate memory leak. 782. If you are in a multi-thread scenario, check the error stack for deadlock. 79