# DeviceUsageStatistics Error Codes > **NOTE** > > This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md). ## 10000001 Memory Operation Failure **Error Message** Memory operation failed. **Description** This error code is reported when a memory operation fails. **Possible Causes** The system memory is insufficient. **Solution** Check whether memory leak occurs. ## 10000002 IPC Parcel Write Failure **Error Message** Parcel operation failed. Failed to write data into parcel. Possible reasons: 1. Invalid parameters; 2. Failed to apply for memory. **Description** Failed to write the data object during the IPC. **Possible Causes** 1. Invalid parameter. 2. Memory allocation fails. **Solution** 1. Check whether the parameter is valid, for example, whether the string is too long. 2. Try again. ## 10000003 System Service Operation Failure **Error Message** Failed to get system ability manager. **Description** The client process fails to obtain the system service. **Possible Causes** The dependent service process is faulty. **Solution** Try again later or restart the device. ## 10000004 IPC Failure **Error Message** Failed to access the device usage service. **Description** The IPC fails. **Possible Causes** The system service is abnormal or the IPC data is abnormal. **Solution** Try again later or restart the device. ## 10000005 Application Not Installed **Error Message** The application is not installed. **Description** The application is not installed. **Possible Causes** The application is not installed or has been uninstalled. **Solution** Check whether the application exists. ## 10000006 Failed to Obtain Application Information **Error Message** Failed to get the application information. **Description** The client process fails to obtain application information from the service. **Possible Causes** 1. The value of **beginTime** or **endTime** is invalid. 2. The application is not installed or has been uninstalled. 3. The value of **intervalType** is invalid. **Solution** Check whether the input parameters are valid and whether the application exists. ## 10000007 Time Operation Failure **Error Message** Failed to get the system time. **Description** The system service fails to obtain the system time. **Possible Causes** The system is abnormal. **Solution** Try again later or restart the device. ## 10100001 Duplicate Application Group Operation **Error Message** Repeated operation on the application group. **Description** The application group operation fails. **Possible Causes** The application group to set already exists, or the callback for application group changes to register or deregister has already been registered or deregistered. **Solution** Do not repeatedly set application groups, or register or deregister a callback for application group changes. ## 10100002 Failed to Obtain Application Group Information **Error Message** Failed to get the application group information. **Description** The client process fails to obtain the application group information. **Possible Causes** 1. An incorrect bundle name is passed. 2. The application is not installed or has been uninstalled. **Solution** Check whether the bundle name is valid and whether the application exists.