Fixed #1289

core/src/mindustry/core/Logic.java

@@ -47,8 +47,8 @@ public class Logic implements ApplicationListener{
             //blocks that get broken are appended to the team's broken block queue
             Tile tile = event.tile;
             Block block = tile.block();
-            //skip null entities or nukes, for obvious reasons
-            if(tile.entity == null || tile.block() instanceof NuclearReactor) return;
+            //skip null entities or nukes, for obvious reasons; also skip client since they can't modify these requests
+            if(tile.entity == null || tile.block() instanceof NuclearReactor || net.client()) return;
 
             if(block instanceof BuildBlock){