1e41f4b71Sopenharmony_ci# Universal Error Codes 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci## 201 Permission Denied 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ci**Error Message** 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ciPermission verification failed. The application does not have the permission required to call the API. 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci**Description** 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ciThis error code is reported when permission verification fails. 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Possible Causes** 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ciThe application calls an API without the required permission. 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci**Solution** 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ciCheck the permission required to call the API and make sure the application has the permission. 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci## 202 Permission Verification Failed for Calling a System API 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ci**Error Message** 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ciPermission verification failed. A non-system application calls a system API. 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci**Description** 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ciThis error code is reported when a non-system application failed the permission verification. 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci**Possible Causes** 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ciThe API called by the application is a system API. 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ci**Solution** 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ciCheck whether any system API is called. Delete it if any. 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ci## 401 Parameter Check Failed 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_ci**Error Message** 42e41f4b71Sopenharmony_ci 43e41f4b71Sopenharmony_ciParameter error. Possible causes: 1. Mandatory parameters are left unspecified; 2. Incorrect parameter types; 3. Parameter verification failed. 44e41f4b71Sopenharmony_ci 45e41f4b71Sopenharmony_ci**Description** 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_ciThis error code is reported when a parameter error occurs. Regardless of whether the API is synchronous or asynchronous, this type of error is generally thrown in synchronous mode. 48e41f4b71Sopenharmony_ci 49e41f4b71Sopenharmony_ci**Possible Causes** 50e41f4b71Sopenharmony_ci 51e41f4b71Sopenharmony_ciThe mandatory parameter is not passed in, or the parameter type is invalid. 52e41f4b71Sopenharmony_ci 53e41f4b71Sopenharmony_ci**Solution** 54e41f4b71Sopenharmony_ci 55e41f4b71Sopenharmony_ciMake sure the mandatory parameter is passed in and the type of the passed parameter is invalid. 56e41f4b71Sopenharmony_ci 57e41f4b71Sopenharmony_ci## 801 API Not Supported 58e41f4b71Sopenharmony_ci 59e41f4b71Sopenharmony_ci**Error Message** 60e41f4b71Sopenharmony_ci 61e41f4b71Sopenharmony_ciCapability not supported. Failed to call the API due to limited device capabilities. 62e41f4b71Sopenharmony_ci 63e41f4b71Sopenharmony_ci**Description** 64e41f4b71Sopenharmony_ci 65e41f4b71Sopenharmony_ciThis error code is reported when the device supports the target SysCap but does not support a specific API. 66e41f4b71Sopenharmony_ci 67e41f4b71Sopenharmony_ci**Possible Causes** 68e41f4b71Sopenharmony_ci 69e41f4b71Sopenharmony_ciThe device does not support the API. 70e41f4b71Sopenharmony_ci 71e41f4b71Sopenharmony_ci**Solution** 72e41f4b71Sopenharmony_ci 73e41f4b71Sopenharmony_ciCheck whether the device supports the API. 74