Fix StorageLib in 1.15

BauSystem_Main/src/de/steamwar/bausystem/features/script/lua/libs/StorageLib.java

@@ -21,6 +21,7 @@ package de.steamwar.bausystem.features.script.lua.libs;
 
 import com.google.gson.*;
 import de.steamwar.bausystem.region.Region;
+import de.steamwar.core.Core;
 import de.steamwar.linkage.Linked;
 import de.steamwar.linkage.api.Disable;
 import de.steamwar.linkage.api.Enable;
@@ -54,6 +55,7 @@ public class StorageLib implements LuaLib, Enable, Disable {
 
     @Override
     public void enable() {
+        if (Core.getVersion() <= 15) return;
         if (!storageDirectory.exists()) storageDirectory.mkdirs();
 
         try {
@@ -129,6 +131,7 @@ public class StorageLib implements LuaLib, Enable, Disable {
 
     @Override
     public void disable() {
+        if (Core.getVersion() <= 15) return;
         if (!storageDirectory.exists()) storageDirectory.mkdirs();
         try {
             FileWriter fileWriter = new FileWriter(new File(storageDirectory, "global.json"));