{ "type": "string", "enum": [ "ACTIVITY_TYPE_DEPRECATED", "ACTIVITY_TYPE_DOES_NOT_EXIST", "ACTIVITY_ID_ALREADY_IN_USE", "OPEN_ACTIVITIES_LIMIT_EXCEEDED", "ACTIVITY_CREATION_RATE_EXCEEDED", "DEFAULT_SCHEDULE_TO_CLOSE_TIMEOUT_UNDEFINED", "DEFAULT_TASK_LIST_UNDEFINED", "DEFAULT_SCHEDULE_TO_START_TIMEOUT_UNDEFINED", "DEFAULT_START_TO_CLOSE_TIMEOUT_UNDEFINED", "DEFAULT_HEARTBEAT_TIMEOUT_UNDEFINED", "OPERATION_NOT_PERMITTED" ], "$schema": "http://json-schema.org/draft-07/schema#", "title": "ScheduleActivityTaskFailedCause" }