1e41f4b71Sopenharmony_ci# workScheduler Error Codes 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci> **NOTE** 4e41f4b71Sopenharmony_ci> 5e41f4b71Sopenharmony_ci> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md). 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ci## 9700001 Memory Operation Failure 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci**Error Message** 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ciMemory operation failed. 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Description** 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ciThis error code is reported when a memory operation fails. 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci**Possible Causes** 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci1. A memory leak occurs. 20e41f4b71Sopenharmony_ci2. The system memory is insufficient. 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci**Solution** 23e41f4b71Sopenharmony_ci 24e41f4b71Sopenharmony_ci1. Release the memory. 25e41f4b71Sopenharmony_ci2. Check whether memory leak occurs. 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci## 9700002 Parcel Operation Failure 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci**Error Message** 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ciParcel operation failed. 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ci**Description** 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ciThis error code is reported when parcel data fails to be read or written during IPC. 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ci**Possible Causes** 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ciAn exception occurs when invoking the **MessageParcel** object to read or write an object. 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_ci**Solution** 42e41f4b71Sopenharmony_ci 43e41f4b71Sopenharmony_ciTry again later or restart the device. 44e41f4b71Sopenharmony_ci 45e41f4b71Sopenharmony_ci## 9700003 System Service Failure 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_ci**Error Message** 48e41f4b71Sopenharmony_ci 49e41f4b71Sopenharmony_ciSystem service operation failed. 50e41f4b71Sopenharmony_ci 51e41f4b71Sopenharmony_ci**Description** 52e41f4b71Sopenharmony_ci 53e41f4b71Sopenharmony_ciThis error code is reported when the client process fails to obtain the system service. 54e41f4b71Sopenharmony_ci 55e41f4b71Sopenharmony_ci**Possible Causes** 56e41f4b71Sopenharmony_ci 57e41f4b71Sopenharmony_ci1. The system service is not started. 58e41f4b71Sopenharmony_ci2. The system service is abnormal. 59e41f4b71Sopenharmony_ci 60e41f4b71Sopenharmony_ci**Solution** 61e41f4b71Sopenharmony_ci 62e41f4b71Sopenharmony_ciTry again later or restart the device. 63e41f4b71Sopenharmony_ci 64e41f4b71Sopenharmony_ci## 9700004 workInfo Verification Failure 65e41f4b71Sopenharmony_ci 66e41f4b71Sopenharmony_ci**Error Message** 67e41f4b71Sopenharmony_ci 68e41f4b71Sopenharmony_ciCheck on workInfo failed. 69e41f4b71Sopenharmony_ci 70e41f4b71Sopenharmony_ci**Description** 71e41f4b71Sopenharmony_ci 72e41f4b71Sopenharmony_ciThis error code is reported when the **workInfo** parameter is abnormal. 73e41f4b71Sopenharmony_ci 74e41f4b71Sopenharmony_ci**Possible Causes** 75e41f4b71Sopenharmony_ci 76e41f4b71Sopenharmony_ci1. The value of **bundleName** in **workInfo** does not match the UID of the application. 77e41f4b71Sopenharmony_ci2. The Work Scheduler task to cancel or query does not exist. 78e41f4b71Sopenharmony_ci 79e41f4b71Sopenharmony_ci**Solution** 80e41f4b71Sopenharmony_ci 81e41f4b71Sopenharmony_ciCheck the **workInfo** parameters. 82e41f4b71Sopenharmony_ci 83e41f4b71Sopenharmony_ci## 9700005 startWork Call Failure 84e41f4b71Sopenharmony_ci 85e41f4b71Sopenharmony_ci**Error Message** 86e41f4b71Sopenharmony_ci 87e41f4b71Sopenharmony_ciCalling startWork failed. 88e41f4b71Sopenharmony_ci 89e41f4b71Sopenharmony_ci**Description** 90e41f4b71Sopenharmony_ci 91e41f4b71Sopenharmony_ciThis error code is reported when the request for a deferred task fails. 92e41f4b71Sopenharmony_ci 93e41f4b71Sopenharmony_ci**Possible Causes** 94e41f4b71Sopenharmony_ci 95e41f4b71Sopenharmony_ci1. The Work Scheduler task already exists. 96e41f4b71Sopenharmony_ci2. The application has already requested 10 Work Scheduler tasks. 97e41f4b71Sopenharmony_ci3. The repeat interval of a Work Scheduler task must be at least 20 minutes. 98e41f4b71Sopenharmony_ci 99e41f4b71Sopenharmony_ci**Solution** 100e41f4b71Sopenharmony_ci 101e41f4b71Sopenharmony_ciCheck the input parameters and application code. 102