synchronized?

IDK maybe it will fix the stream closed exception
if not then maybe i will make a write queue

src/main/java/land/chipmunk/chayapak/chomens_bot/util/PersistentDataUtilities.java

@@ -39,7 +39,7 @@ public class PersistentDataUtilities {
 
     // ? how do i clear the file contents without making a completely new FileWriter
     //   or is this the only way?
-    public static void write () {
+    public static synchronized void write () {
         try {
             writer.close();