Init'd GuiNpcTextField

src/main/java/noppes/npcs/client/gui/util/GuiNPCInterface.java

@@ -104,6 +104,10 @@ public abstract class GuiNPCInterface extends GuiScreen {
             rotateLeft = new GuiNpcButton(0, guiLeft + 44 + xOffsetNpc + xOffsetButton, guiTop + yOffsetNpc + yOffsetButton, 20, 20, "<");
             rotateRight = new GuiNpcButton(0, guiLeft + 66 + xOffsetNpc + xOffsetButton, guiTop + yOffsetNpc + yOffsetButton, 20, 20, ">");
         }
+
+        //Important for GuiScriptTextArea
+        for (GuiNpcTextField tf : textfields.values()) 
+                tf.initGui();
     }
 
     @Override

src/main/java/noppes/npcs/client/gui/util/GuiNpcTextField.java

@@ -38,7 +38,10 @@ public class GuiNpcTextField extends GuiTextField {
     public GuiNpcTextField(int id, GuiScreen parent, int i, int j, int k, int l, String s) {
         this(id, parent, Minecraft.getMinecraft().fontRenderer, i, j, k, l, s);
     }
-
+    
+    public void initGui() {
+    }
+    
     protected boolean charAllowed(char c, int i) {
         if (!integersOnly || Character.isDigit(c))
             return true;