| ERROR | open_con must be performed before count_last |
| CAUSE | last_count returns hit from in-memory query,so an in-memory query must be run before you can use count_last |
| ACTION | execute open_con before run count_last |
| ERROR | open_con must be performed before count_last |
| CAUSE | last_count returns hit from in-memory query,so an in-memory query must be run before you can use count_last |
| ACTION | execute open_con before run count_last |