1e41f4b71Sopenharmony_ci# Widget Management Subsystem Changelog 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci## cl.form.1 Deleted Error Codes That Are No Longer Used 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ci**Access Level** 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ciSystem API 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci**Change Reason** 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ciFor **FormExtensionContext.startAbility**, error code 16500101 is no longer used. When a non-system application uses a system API, error code 202 is reported. 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Change Impact** 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ciThe external declaration of the APIs of API version 12 is affected, but the API functionalities are not affected. You can determine whether to adapt to the APIs. 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci**API Level** 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci12 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci**Change Since** 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ciOpenHarmony SDK 5.0.0.17 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci**Key API/Component Changes** 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ciThe comments of the following modules are updated. For details, see the corresponding external API declaration and API development guide. 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci| Module | Description of Major Changes | 30e41f4b71Sopenharmony_ci| ----------------------------------- | ------------------------------------------------------------ | 31e41f4b71Sopenharmony_ci| application/FormExtensionContext | Deleted error code 16500101 and its return description.| 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ci**Adaptation Guide** 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ciWhen a non-system application uses a system API, error code 202 is reported. Error code 16500101 is no longer used. 36