Diagnosis
You want to explode the BOM for the material and plant entered. A BOMexists, but it is not valid:

• The Valid from date is outside the validity period


• The Status of the BOM is not active


• The BOM has been processed with a change number, whose:

Release key does not support release
Validity is determined by a New validity type

Procedure
Do one of the following:


• Check the Valid from date you entered.

Find out the validity period(s) of the BOM.
Choose Material BOM -> Display from the main bills ofmaterial menu.
Delete the default valid-from date by entering "!" at the beginning ofthe field. Confirm your entry.

• Display the BOM header and check the BOM status.


• If the BOM has been processed with a change number whose validity is
determined by a New validity type,
Check the validity parameters you entered
Simulate the validity for a change master record
To do this, choose Defaults. This simulates a global release ofa change master record that is not released, and ignores the parametervalues.