Help!

[SonicjrFan]

So i did a pk3 in Zonebuilder and it got this error and i Dont know what to do

 

[SeventhSentinel]

Zone Builder cannot open PK3 archives. To work on a map that's in your PK3, you must export the WAD containing the map first, then you can open the map WAD and set Zone Builder to load your PK3 as a resource.