1# workScheduler 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## 9700001 Memory Operation Failure
8
9**Error Message**
10
11Memory operation failed.
12
13**Description**
14
15This error code is reported when a memory operation fails.
16
17**Possible Causes**
18
191. A memory leak occurs.
202. The system memory is insufficient.
21
22**Solution**
23
241. Release the memory.
252. Check whether memory leak occurs.
26
27## 9700002 Parcel Operation Failure
28
29**Error Message**
30
31Parcel operation failed.
32
33**Description**
34
35This error code is reported when parcel data fails to be read or written during IPC.
36
37**Possible Causes**
38
39An exception occurs when invoking the **MessageParcel** object to read or write an object.
40
41**Solution**
42
43Try again later or restart the device.
44
45## 9700003 System Service Failure
46
47**Error Message**
48
49System service operation failed.
50
51**Description**
52
53This error code is reported when the client process fails to obtain the system service.
54
55**Possible Causes**
56
571. The system service is not started.
582. The system service is abnormal.
59
60**Solution**
61
62Try again later or restart the device.
63
64## 9700004 workInfo Verification Failure
65
66**Error Message**
67
68Check on workInfo failed.
69
70**Description**
71
72This error code is reported when the **workInfo** parameter is abnormal.
73
74**Possible Causes**
75
761. The value of **bundleName** in **workInfo** does not match the UID of the application.
772. The Work Scheduler task to cancel or query does not exist.
78
79**Solution**
80
81Check the **workInfo** parameters.
82
83## 9700005 startWork Call Failure
84
85**Error Message**
86
87Calling startWork failed.
88
89**Description**
90
91This error code is reported when the request for a deferred task fails.
92
93**Possible Causes**
94
951. The Work Scheduler task already exists.
962. The application has already requested 10 Work Scheduler tasks.
973. The repeat interval of a Work Scheduler task must be at least 20 minutes.
98
99**Solution**
100
101Check the input parameters and application code.
102