stack traces to track a bug

src/main/java/me/km/scheduler/SnuviScheduler.java

@@ -67,7 +67,9 @@ public class SnuviScheduler implements ISnuviScheduler {
                     iter.remove();
                 }
             } catch(Exception ex) {
-                logger.print("scheduler exception - task will be removed", ex, null, null, null, null);
+                logger.print("scheduler exception - task will be removed", ex, null, null, null,
+                        null);
+                ex.printStackTrace();
                 iter.remove();
             }
         }

src/main/java/me/km/snuviscript/commands/BlockCommands.java

@@ -12,7 +12,6 @@ import net.minecraft.block.material.Material;
 import net.minecraft.command.arguments.BlockStateParser;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.EntityType;
-import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.entity.player.ServerPlayerEntity;
 import net.minecraft.fluid.Fluids;
 import net.minecraft.inventory.IInventory;