ME22N to change PO error msg - System status CLSD is active (ORD 600120) –

SAP MM
ME22N to change PO quantity and get error msg - System status CLSD is active
(ORD 600120) –

ME22N
to change the PO 4500000006,

Try
to change the quantity from 2 to 20,

Got
the error msg --- System status CLSD is active (ORD 600120) ---.

The
reason is that the internal order assigned this PO was closed,

The
system status of internal order 600120,

2016-09-22
In Wuhan City.