1# DeviceUsageStatistics 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## 10000001 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 19The system memory is insufficient. 20 21**Solution** 22 23Check whether memory leak occurs. 24 25## 10000002 IPC Parcel Write Failure 26 27**Error Message** 28 29Parcel operation failed. Failed to write data into parcel. Possible reasons: 1. Invalid parameters; 2. Failed to apply for memory. 30 31**Description** 32 33Failed to write the data object during the IPC. 34 35**Possible Causes** 36 371. Invalid parameter. 382. Memory allocation fails. 39 40**Solution** 41 421. Check whether the parameter is valid, for example, whether the string is too long. 432. Try again. 44 45## 10000003 System Service Operation Failure 46 47**Error Message** 48 49Failed to get system ability manager. 50 51**Description** 52 53The client process fails to obtain the system service. 54 55**Possible Causes** 56 57The dependent service process is faulty. 58 59**Solution** 60 61Try again later or restart the device. 62 63## 10000004 IPC Failure 64 65**Error Message** 66 67Failed to access the device usage service. 68 69**Description** 70 71The IPC fails. 72 73**Possible Causes** 74 75The system service is abnormal or the IPC data is abnormal. 76 77**Solution** 78 79Try again later or restart the device. 80 81## 10000005 Application Not Installed 82 83**Error Message** 84 85The application is not installed. 86 87**Description** 88 89The application is not installed. 90 91**Possible Causes** 92 93The application is not installed or has been uninstalled. 94 95**Solution** 96 97Check whether the application exists. 98 99## 10000006 Failed to Obtain Application Information 100 101**Error Message** 102 103Failed to get the application information. 104 105**Description** 106 107The client process fails to obtain application information from the service. 108 109**Possible Causes** 110 1111. The value of **beginTime** or **endTime** is invalid. 1122. The application is not installed or has been uninstalled. 1133. The value of **intervalType** is invalid. 114 115**Solution** 116 117Check whether the input parameters are valid and whether the application exists. 118 119## 10000007 Time Operation Failure 120 121**Error Message** 122 123Failed to get the system time. 124 125**Description** 126 127The system service fails to obtain the system time. 128 129**Possible Causes** 130 131The system is abnormal. 132 133**Solution** 134 135Try again later or restart the device. 136 137## 10100001 Duplicate Application Group Operation 138 139**Error Message** 140 141Repeated operation on the application group. 142 143**Description** 144 145The application group operation fails. 146 147**Possible Causes** 148 149The application group to set already exists, or the callback for application group changes to register or deregister has already been registered or deregistered. 150 151**Solution** 152 153Do not repeatedly set application groups, or register or deregister a callback for application group changes. 154 155## 10100002 Failed to Obtain Application Group Information 156 157**Error Message** 158 159Failed to get the application group information. 160 161**Description** 162 163The client process fails to obtain the application group information. 164 165**Possible Causes** 166 1671. An incorrect bundle name is passed. 1682. The application is not installed or has been uninstalled. 169 170**Solution** 171 172Check whether the bundle name is valid and whether the application exists. 173