SAP Message MEDCM027 - No new version created because a message has not yet been transmitted

Diagnosis
You have changed a print-relevant field. However, the system will notgenerate a new version containing these changes.
A new version can only be created if all existing messages have beenprinted.

Procedure
If you would nevertheless like to have a new version created, proceedas follows:
Choose "F12=Cancel".
Go to transaction ME9F and print out all not-yet-processed messages.
Change the print-relevant field in the purchase order again. A newversion will be created.

Procedure for System Administration
Define the corresponding attribute (either 'W' for Warning or 'E' forError) of system message MEDCM027 in Customizing (MM -> Purchasing ->Environment Data -> Define Attributes of System Messages).