1# FormError 2 3>  **NOTE** 4> The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version. 5 6Provides widget-related error codes. 7 8## Modules to Import 9 10``` 11import formError from '@ohos.application.formError'; 12``` 13 14## Required Permissions 15 16None. 17 18## enum FormError 19 20Enumerates the available error codes. 21 22**System capability** 23 24SystemCapability.Ability.Form 25 26| Name | Value | Description | 27| ----------- | ---- | ------------ | 28| ERR_COMMON | 1 | Default error code. | 29| ERR_PERMISSION_DENY | 2 | No permission to perform the operation. | 30| ERR_GET_INFO_FAILED | 4 | Failed to query widget information. | 31| ERR_GET_BUNDLE_FAILED | 5 | Failed to query the bundle information. | 32| ERR_GET_LAYOUT_FAILED | 6 | Failed to query the layout information. | 33| ERR_ADD_INVALID_PARAM | 7 | Invalid parameter. | 34| ERR_CFG_NOT_MATCH_ID | 8 | The widget ID does not match. | 35| ERR_NOT_EXIST_ID | 9 | The widget ID does not exist. | 36| ERR_BIND_PROVIDER_FAILED | 10 | Failed to bind to the widget provider. | 37| ERR_MAX_SYSTEM_FORMS | 11 | The number of system widgets exceeds the upper limit. | 38| ERR_MAX_INSTANCES_PER_FORM | 12 | The number of instances per widget exceeds the upper limit. | 39| ERR_OPERATION_FORM_NOT_SELF | 13 | The application is not allowed to operate widgets applied by other applications. | 40| ERR_PROVIDER_DEL_FAIL | 14 | The widget provider failed to delete the widget. | 41| ERR_MAX_FORMS_PER_CLIENT | 15 | The number of widgets applied for by the widget host exceeds the upper limit. | 42| ERR_MAX_SYSTEM_TEMP_FORMS | 16 | The number of temporary widgets exceeds the upper limit. | 43| ERR_FORM_NO_SUCH_MODULE | 17 | The module does not exist. | 44| ERR_FORM_NO_SUCH_ABILITY | 18 | The ability component does not exist. | 45| ERR_FORM_NO_SUCH_DIMENSION | 19 | The widget dimension does not exist. | 46| ERR_FORM_FA_NOT_INSTALLED | 20 | The FA where the widget is located is not installed. | 47| ERR_SYSTEM_RESPONSES_FAILED | 30 | The system service failed to respond. | 48| ERR_FORM_DUPLICATE_ADDED | 31 | The widget has been added. | 49| ERR_IN_RECOVERY | 36 | Failed to overwrite the widget data. | 50