Hi all,
I have a strange problem. During production order creation (CO01) both 'operation - details' and 'component overview' screens show all the fields locked, so i can't change components, or work centers, or machine times. Same if I try to modify an existing order (CO02).

The strangest thing is that problem exists on the development system only. In other words, production orders are regularly editable in the quality sistem and in the production system.
Problem involves ALL production order types for all the plants, and I'm sure that no one has changed some parameters on all order types of each plant.
Does any customizing setting exist that has such effects (maybe collateral)?
Thanks for helping and tips.