| ERROR | Not enough memory for CONNECT BY operation |
| CAUSE | The memory size was not sufficient to process all the levels of the hierarchy specified by the CONNECT BY clause. |
| ACTION | In WORKAREA_SIZE_POLICY=AUTO mode, set PGA_AGGREGATE_TARGET to a reasonably larger value. Or, in WORKAREA_SIZE_POLICY=MANUAL mode, set SORT_AREA_SIZE to a reasonably larger value. |