Purpose of CBEACON

[David Rose]

I monitor the frequency that I'm using with Direwolf. I see the following

ERROR!!!  Unknown APRS Data Type Indicator "W"
Use of "BEACON" in the destination field is obsolete.  You can help to improve the quality of APRS signals.

I removed the dest=BEACON and that error goes away. 

What is the purpose of the CBEACON command? By removing that does it wreck the real purpose of the line?

David

K2LJL