Exception in thread "SelectorThread-50" java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
at net.sf.l2j.commons.mmocore.SelectorThread.readPacket(SelectorThread.java:294)
at net.sf.l2j.commons.mmocore.SelectorThread.run(SelectorThread.java:172)
Hi. Can someone help me to fix this issue? its L2JAcis (Interlude Client)