25w20a

src/main/java/carpet/utils/PerimeterDiagnostics.java

@@ -182,7 +182,7 @@ public class PerimeterDiagnostics
         {
             el.snapTo(pos.getX() + 0.5F, pos.getY(), pos.getZ()+0.5F, 0.0F, 0.0F);
             return el.checkSpawnObstruction(worldServer) && el.checkSpawnRules(worldServer, EntitySpawnReason.NATURAL) &&
-                    SpawnPlacements.checkSpawnRules(el.getType(),(ServerLevel)el.getCommandSenderWorld(), EntitySpawnReason.NATURAL, el.blockPosition(), el.getCommandSenderWorld().random) &&
+                    SpawnPlacements.checkSpawnRules(el.getType(),(ServerLevel)el.level(), EntitySpawnReason.NATURAL, el.blockPosition(), el.level().random) &&
                     worldServer.noCollision(el); // check collision rules once they stop fiddling with them after 1.14.1
         }
         return false;