Cannot add the extension...

[aditya324jhj]

I cannot add the extension in burpsuite. This is the error code --> java.lang.Exception: Extension class is not a recognized type at burp.ffq.W(Unknown Source) at burp.ffq.P(Unknown Source) at burp.yfb.Q(Unknown Source) at burp.yyz.o(Unknown Source) at burp.doo.lambda$panelLoaded$0(Unknown Source) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:833)