Hi, I've tested this as best I can (restarting Sourcecraft each time I saved the world) and found that certain blocks will make a chunk not get converted. I'm not sure why this happens. If any of the blocks in the list are in a chunk it will make that chunk appear blank..
minecraft version: 1.16.1
SC version: 3.1
- torches (tried on a wall)
- redstone lamps
- dropper
- daylight sensor
- lectern
- pistons
- sticky pistons
- rails
- buttons
- (certain types) stairs
- slabs