different UOM in different stockrooms for same item

Item exists in 2 different stockrooms and has been set-up with different
issue units (kg & ct) in the different stockrooms. This is visible in
the different item/stockroom enquiries.

In item master maintenance the purchase unit is CT, the stock unit is CT
but the issue unit is KG, which I cannot change to CT in item master.

The conversions set-up in item master are  Stock->purchase conv..... 1 ,
Issue->stock conv........0.1 and Weight per selling unit.. 10



In stockroom details, first stockroom is correctly set up with a
purchase unit CT and issue unit CT. The second stockroom is set-up with
purchase unit CT and issue unit KG, which should be CT.

The system does not allow me to change the issue unit in the second
stockroom in stockroom details, nor in item maintenance. I can not
delete the  second stockroom and recreate it because the stock balance
is not zero; but when stock balance is zero the system will not allow me
because movements for the item exist.

Is there a way I can change the UOM in this second stockroom?

 
Sanne