1# Event 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## 1500001 Want Action Is Null
8
9**Error Message**
10The action field in the want parameter is null.
11
12**Description**
13This error code is reported when the **Action** attribute in the **want** object is null for the event to send.
14
15**Possible Causes**
16The **Action** attribute in the **want** object is null for the event to send.
17
18**Solution**
19Make sure the **Action** attribute in the **want** object is not null.
20
21##  1500002 Failed to Send Common Events from a Sandbox Application
22
23**Error Message**
24A sandbox application cannot send common events.
25
26**Description**
27This error code is reported when an attempt is made to send a common event from a sandbox application.
28
29**Possible Causes**
30Common events from a sandbox application are blocked.
31
32**Solution**
33Check whether the application used to send a common event is a sandbox application. If so, switch to another application.
34
35##  1500003 Event Sending Frequency Is Too High
36
37**Error Message**
38Too many common events are sent in a short period of time.
39
40**Description**
41This error code is reported when the application sends common events too frequently.
42
43**Possible Causes**
44The number of common events sent by the application in a given time frame has reached the maximum.
45
46**Solution**
47Do not send common events too frequently.
48
49##  1500004 Failed to Send System Common Events
50
51**Error Message**
52A third-party application cannot send system common events.
53
54**Description**
55This error code is reported when the application cannot send system common events.
56
57**Possible Causes**
58The application is not a system application or system service.
59
60**Solution**
61Make sure the application to send system common events is a system application or system service.
62
63##  1500005 Subscriber Not Found
64
65**Error Message**
66The subscriber is not found.
67
68**Description**
69This error code is reported when the subscriber cannot be found.
70
71**Possible Causes**
72The subscriber is deleted.
73
74**Solution**
75Check whether the subscription has already been canceled. If the subscription has been canceled, the subscriber is deleted.
76
77##  1500006 Invalid User ID
78
79**Error Message**
80Invalid userId.
81
82**Description**
83This error code is reported when the user ID is invalid.
84
85**Possible Causes**
86The user ID is different from the system user ID, or the application is not a system application or system service.
87
88**Solution**
891. Make sure the current user ID is the same as the system user ID.
902. Make sure the application is a system application or system service.
91
92##  1500007 Failed to Send a Request Through IPC
93
94**Error Message**
95Failed to send the message to the common event service.
96
97**Description**
98This error code is reported when the attempt to send a request through IPC fails.
99
100**Possible Causes**
101The connection object fails to be created.
102
103**Solution**
104Do not set up connections frequently. Try again later.
105
106##  1500008 Failed to Initialize the Common Event Service
107
108**Error Message**
109Failed to initialize the common event service.
110
111**Description**
112This error code is reported when an error occurs on the server.
113
114**Possible Causes**
115A service exception occurs when the server processes data.
116
117**Solution**
118Try again later.
119
120##  1500009 Failed to Obtain System Parameters
121
122**Error Message**
123Failed to obtain system parameters.
124
125**Description**
126This error code is reported when an exception occurs in the system during service processing, for example, when the current system time fails to be obtained.
127
128**Possible Causes**
129A system fault occurs.
130
131**Solution**
132Try again later.
133