Chip's Challenge Creator

[The Architect]

34 minutes ago, chipster1059 said:

I'm still a bit confused by the "replace" feature. What makes it different from flood-filling the tile with floor?

It affects every tile in the map, not just in a specific region.

34 minutes ago, chipster1059 said:

I experienced the issue again just now, trying to copy these tiles:



Here is the resulting command line output:

[...]

Thanks, that's a great amount of info! I already have a suspicion I know what the problem is.