Zone builder help

[chromaticpipe]

So im trying to edit a map in the game so i export it from zones.pk3 and i open it in ultimate zone builder and the game configuration is showing up as "Boom: Doom 2 (Doom Format) and when i click the conifguration to be srb2 the map just disappers can anyone help

 

[DylanDude]

So im trying to edit a map in the game so i export it from zones.pk3 and i open it in ultimate zone builder and the game configuration is showing up as "Boom: Doom 2 (Doom Format) and when i click the conifguration to be srb2 the map just disappers can anyone help

Which format is the map in? Binary or UDMF?

 

[chromaticpipe]

Which format is the map in? Binary or UDMF?

It's in the base game so I think binary, do I Need to use the old zone builder then?