Can anybody help with this error on startup? Only happened after i added plugin jars to the jars folder

Exception while sending message on EditBus:
[error] java.lang.NoSuchFieldError: LOADED
[error] at errorlist.DefaultErrorSource.handleBufferMessage(Unknown Source)
[error] at errorlist.DefaultErrorSource.handleMessage(Unknown Source)
[error] at org.gjt.sp.jedit.EditBus.send(EditBus.java:166)
[error] at org.gjt.sp.jedit.Buffer.load(Buffer.java:183)
[error] at org.gjt.sp.jedit.jEdit.openFile(jEdit.java:1343)
[error] at org.gjt.sp.jedit.jEdit.newFile(jEdit.java:1485)
[error] at org.gjt.sp.jedit.jEdit.newFile(jEdit.java:1440)
[error] at org.gjt.sp.jedit.jEdit$2.run(jEdit.java:3072)
[error] at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
[error] at java.awt.EventQueue.dispatchEvent(EventQueue.java:448)
[error] at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:197)
[error] at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
[error] at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:144)
[error] at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
[error] at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)
[error] Exception while sending message on EditBus: