1# Traffic 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 Information**
10
11Invalid parameter value.
12
13**Description**
14
15This error code is reported if any input parameter value is incorrect.
16
17**Possible Causes**
18
19The end time is earlier than the start time.
20
21**Solution**
22
23Check whether the start time and end time are properly set.
24
25
26## 2100002 Service Connection Failure
27
28**Error Information**
29
30Failed to connect to the service.
31
32**Description**
33
34This error code is reported if a service connection failure occurs.
35
36**Possible Causes**
37
38The service is abnormal.
39
40**Solution**
41
42Check whether system services are running properly.
43
44## 2100003 System Internal Error
45
46**Error Information**
47
48System internal error.
49
50**Description**
51
52This error code is reported if an internal system error occurs.
53
54**Possible Causes**
55
561. The memory is abnormal.
57
582. A null pointer is present.
59
60**Solution**
61
621. Check whether the memory space is sufficient. If not, clear the memory and try again.
63
642. Check whether the system is normal. If not, try again later or restart the device.
65
66## 2103005 Failed to Read the System Map
67
68**Error Information**
69
70Failed to read the system map.
71
72**Description**
73
74This error code is reported if the attempt to read the system map fails.
75
76**Possible Causes**
77
78The attempt to read traffic data on the kernel map object fails.
79
80**Solution**
81
82Check whether traffic is generated for the specified NIC or application.
83
84## 2103011 Failed to Create a System Map
85
86**Error Information**
87
88Failed to create a system map.
89
90**Description**
91
92This error code is reported if the attempt to create a kernel map object fails.
93
94**Possible Causes**
95
96No traffic is generated on the NIC and therefore a kernel traffic object has not been created.
97
98**Solution**
99
100Ensure that traffic is generated on the NIC.
101
102## 2103012 Failed to Obtain the NIC Name
103
104**Error Information**
105
106Failed to obtain the NIC name.
107
108**Description**
109
110This error code is reported if the attempt to obtain the NIC name fails.
111
112**Possible Causes**
113
114The NIC name does not exist on the local host.
115
116**Solution**
117
118Check whether the input NIC name is correct.
119
120## 2103017 Failed to Read the Database
121
122**Error Information**
123
124Failed to read the database.
125
126**Description**
127
128This error code is reported if the attempt to read the database fails.
129
130**Possible Causes**
131
132The database is damaged.
133
134**Solution**
135
136Check whether the database file on the local host is damaged.
137