all user accounts have no access to modifying inventory

SOLVED

Hi , all of a sudden all users can not modify the inventory quantities in the inventory module, i tried recreating a few accounts from scratch to no avail...all other functions work, it just for some odd reason the

available qty

onhand qty

committed qty

backorder qty

on order qty

are all greyed out no matter what option i select in the inventory section of the user accounts...

any help greatly appreciated