NTS":"Task has constraints.",
      "GANTT_ERROR_DEPENDS_ON_OPEN_TASK":"Error: there is a dependency on an open task.",
      "GANTT_ERROR_DESCENDANT_OF_CLOSED_TASK":"Error: due to a descendant of a closed task.",
      "TASK_HAS_EXTERNAL_DEPS":"This task has external dependencies.",
      "GANNT_ERROR_LOADING_DATA_TASK_REMOVED":"GANNT_ERROR_LOADING_DATA_TASK_REMOVED",
      "CIRCULAR_REFERENCE":"Circular reference.",
      "CANNOT_DEPENDS_ON_ANCESTORS":"Cannot depend on ancestors.",
      "INVALID_DATE_FOR