gearshift disconnects from gear box

What is your question?

the gear shift appear to come loose and then can be easily moved up and down with no connection to anything. this has happened twice and generally letting the car rest for a day or so and the gear shift works for a hile

What makes this problem better or worse?

don't know of anything

How long has your 2005 Chevrolet Suburban 1500 had this problem?

a few days