cross client pop up in SM30 for a Z table? wht does it mean?

Hi Experts,

Just curious to know that,

When am doing SM30 for my Z table, its popping up as table as CROSS CLIENT............but, i dont want to hv it.........so, wht shuld I do?

as per my know ledge, this table is not existing in other clients.

Is some thing to do in table maintainance generator?

thanq