Mode: Creative Mode: Singleplayer If applicable: MODIFIED PLAYFIELDS: No Reproducibility: Always Severity: Minor Type: Terrain Summary: Terrain deformed by colour tool Description: After shooting colour tool at the terrain, pressing undo will create holes Steps to Reproduce: take colour tool, pick a colour, shoot at terrain and press undo. This will create holes in the terrain. Could be that you have to be relativly close to a build to reproduce this bug, i was next to HV at the time and missed with my color tool, then undid a few times and noticed the holes. I tried to reproduce and it happened again.