You can only change the revision level assigned to a material from the engineering change management menu.
How to change a revision level for a material:
Confirm your entry.
You also see the following data:
– Valid-from data
– Change number
– Description of change number
You can sort the entries according to various criteria, for example, by date or change number.
You can display possible entries for the sequence of revision levels defined for a material.
The system checks whether the new revision level you entered has already been assigned to a change with reference to another change number. If it has, you see an error message.