1# Policy Management 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## 2100001 Invalid Parameters
8
9**Error Message**
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11Invalid parameter value.
12
13**Description**
14
15This error code is reported if any input parameter value is incorrect.
16
17**Cause**
18
19The end time is earlier than the start time.
20
21**Procedure**
22
23Check whether the start time and end time are properly set.
24
25
26## 2100002 Service Connection Failure
27
28**Error Message**
29
30Failed to connect to the service.
31
32**Description**
33
34This error code is reported if a service connection failure occurs.
35
36**Cause**
37
38The service is abnormal.
39
40**Procedure**
41
42Check whether system services are running properly.
43
44## 2100003 System Internal Error
45
46**Error Message**
47
48System internal error.
49
50**Description**
51
52This error code is reported if a system internal error occurs.
53
54**Cause**
55
561. The memory is abnormal.
57
582. A null pointer is present.
59
60**Procedure**
61
621. Check whether the memory space is sufficient. If not, clear the memory and try again.
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642. Check whether the system is normal. If not, try again later or restart the device.
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