you should read this note again.
I actually can see 208 notes when searching for SAP notes with the error message number, most are bug fixes, so you have to make sure to be up to date with them before you correct this error case.
Deactivating this message enables you to to continue with operation while you wait on a reaction from SAP after you have logged an incident at SAP Support.
You have an inconsistency, there is no alternative for a fix:
The note clearly says among other instructions:
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! You must enter a support message for the component
! CO-PC-ACT. Specify the material number and the document for which the error occurred.
! !
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