| ERROR | NULL association is allowed only with a column or an index |
| CAUSE | User tried to use the ASSOCIATE command with a schema object other than a column or an index |
| ACTION | Specify the NULL clause only with a column or an index |
| ERROR | NULL association is allowed only with a column or an index |
| CAUSE | User tried to use the ASSOCIATE command with a schema object other than a column or an index |
| ACTION | Specify the NULL clause only with a column or an index |