# ErrorCode > ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > The initial APIs of this module are supported since API version 6. Newly added APIs will be marked with a superscript to indicate their earliest API version. ## Modules to Import ``` import errorCode from '@ohos.ability.errorCode' ``` ## ErrorCode Defines the error code used when the ability is started. **System capability**: SystemCapability.Ability.AbilityRuntime.Core | Name | Value | Description | | ------------------------------ | ---- | ---------------------------------------- | | NO_ERROR | 0 | No error occurs. | | INVALID_PARAMETER | -1 | Invalid parameter.| | ABILITY_NOT_FOUND | -2 | The ability is not found.| | PERMISSION_DENY | -3 | Permission denied. |