1e41f4b71Sopenharmony_ci# User Preference 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## 15500000 Internal Error 8e41f4b71Sopenharmony_ci**Error Message** 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ciInner error. 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**Description** 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ciAn internal error occurred. 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci**Possible Causes** 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ciThe persistent file fails to be read or written. 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci**Procedure** 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ciLocate the cause based on the log information or contact the technical support. 23e41f4b71Sopenharmony_ci 24e41f4b71Sopenharmony_ci## 15500010 Failed to Delete the User Preference Persistence File 25e41f4b71Sopenharmony_ci**Error Message** 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ciFailed to delete preferences file. 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci**Description** 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ciThe operation of deleting the user preference persistence file failed. 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ci**Possible Causes** 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ciThe possible causes are as follows: 36e41f4b71Sopenharmony_ci1. The file name is incorrect. 37e41f4b71Sopenharmony_ci2. The file path is incorrect. 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ci**Solution** 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_ci1. Check that the file name is correct. 42e41f4b71Sopenharmony_ci2. Check that the file path is correct. 43e41f4b71Sopenharmony_ci 44e41f4b71Sopenharmony_ci## 15500019 Failed to Obtain the Subscription Service 45e41f4b71Sopenharmony_ci 46e41f4b71Sopenharmony_ci**Error Message** 47e41f4b71Sopenharmony_ci 48e41f4b71Sopenharmony_ciFailed to obtain subscription service. 49e41f4b71Sopenharmony_ci 50e41f4b71Sopenharmony_ci**Description** 51e41f4b71Sopenharmony_ci 52e41f4b71Sopenharmony_ciFailed to obtain the subscription service in inter-process event subscription. 53e41f4b71Sopenharmony_ci 54e41f4b71Sopenharmony_ci**Possible Causes** 55e41f4b71Sopenharmony_ci 56e41f4b71Sopenharmony_ciThe platform does not support service subscription. 57e41f4b71Sopenharmony_ci 58e41f4b71Sopenharmony_ci**Solution** 59e41f4b71Sopenharmony_ci 60e41f4b71Sopenharmony_ciDeploy the subscription service on the platform. 61e41f4b71Sopenharmony_ci 62e41f4b71Sopenharmony_ci## 15501001 Stage Model Required 63e41f4b71Sopenharmony_ci 64e41f4b71Sopenharmony_ci**Error Message** 65e41f4b71Sopenharmony_ci 66e41f4b71Sopenharmony_ci Only supported in stage mode. 67e41f4b71Sopenharmony_ci 68e41f4b71Sopenharmony_ci**Description** 69e41f4b71Sopenharmony_ci 70e41f4b71Sopenharmony_ciThis operation can be performed only on the stage model. 71e41f4b71Sopenharmony_ci 72e41f4b71Sopenharmony_ci**Possible Causes** 73e41f4b71Sopenharmony_ci 74e41f4b71Sopenharmony_ciThe context is not a stage model. 75e41f4b71Sopenharmony_ci 76e41f4b71Sopenharmony_ci**Solution** 77e41f4b71Sopenharmony_ci 78e41f4b71Sopenharmony_ciPerform the operation on the stage model. 79e41f4b71Sopenharmony_ci 80e41f4b71Sopenharmony_ci## 15501002 The dataGroupId parameter in Options is invalid. 81e41f4b71Sopenharmony_ci 82e41f4b71Sopenharmony_ci**Error Message** 83e41f4b71Sopenharmony_ci 84e41f4b71Sopenharmony_ciThe data group id is not valid. 85e41f4b71Sopenharmony_ci 86e41f4b71Sopenharmony_ci**Description** 87e41f4b71Sopenharmony_ci 88e41f4b71Sopenharmony_ciThe **dataGroupId** parameter is invalid. 89e41f4b71Sopenharmony_ci 90e41f4b71Sopenharmony_ci**Possible Causes** 91e41f4b71Sopenharmony_ci 92e41f4b71Sopenharmony_ciThe **dataGroupId** is not obtained from the AppGallery. 93e41f4b71Sopenharmony_ci 94e41f4b71Sopenharmony_ci**Solution** 95e41f4b71Sopenharmony_ci 96e41f4b71Sopenharmony_ciObtain **dataGroupId** from the AppGallery and pass it correctly. 97