When maintaining an old system, a recordset appears in the open time.
Tip "Recording Set is Open", at this point, you will turn the recordset and open it again. Or prompt "I can't find the specified collection"
This recordset is a modular-level variable. Every time you open, you must first judge whether it needs to be closed.
This checks the operation of the record set in the full module, found that there is a Filter place, not restored in time after use.
It turned out that the fault appeared here. After using Filter to record the record set, it should be restored in time. Even if you turn the record set to turn it back and reopen it is also
in this way.