| ERROR | NULL is an invalid input to powermultiset and COLLECT functions |
| CAUSE | NULL was given as input to the powermultiset or COLLECT function. |
| ACTION | Give a non-null value as input |
| ERROR | NULL is an invalid input to powermultiset and COLLECT functions |
| CAUSE | NULL was given as input to the powermultiset or COLLECT function. |
| ACTION | Give a non-null value as input |