# @ohos.ability.errorCode (ErrorCode) The **ErrorCode** module defines the error codes that may be returned when an ability is started. > **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 ```ts import errorCode from '@ohos.ability.errorCode' ``` ## ErrorCode Enumerates the error codes that may be returned when an ability is started. **System capability**: SystemCapability.Ability.AbilityRuntime.Core | Name | Value | Description | | ------------------------------ | ---- | ---------------------------------------- | | NO_ERROR | 0 | No error. | | INVALID_PARAMETER | -1 | Invalid parameter.| | ABILITY_NOT_FOUND | -2 | The ability is not found.| | PERMISSION_DENY | -3 | Permission denied. |