1# Certificate Management Dialog Box 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## 29700001 Internal Error
8
9**Error Message**
10
11Internal error.
12
13**Possible Causes**
14
15An internal error occurs when the API is called.
16
17**Solution**
18
19Check for and rectify the internal error.
20
21## 29700002 Operation Canceled
22
23**Error Message**
24
25The user cancels the installation operation.
26
27**Possible Causes**
28
29The user canceled the operation when the API was called.
30
31**Solution**
32
33No action is required.
34
35## 29700003 Failed to Install the Certificate
36
37**Error Message**
38
39The user install certificate failed in the certificate manager dialog.
40
41**Possible Causes**
42
43The certificate installation fails.
44
45**Solution**
46
47Check for incorrect certificate format and data.
48
49## 29700004 Operation Not Supported by the Device
50
51**Error Message**
52
53The API is not supported on this device.
54
55**Possible Causes**
56
57The API is available only for a PC application.
58
59**Solution**
60
61Ensure that the caller is running on a PC.
62