Thread: NICKname v5 dialogue error?

Everytime I open a new dialogue I get this error.

Code:

Exception in thread "Thread-5" java.lang.ArrayIndexOutOfBoundsException: 5308636
	at FrameReader.forId(FrameReader.java:122)
	at Model.method470(Model.java:2035)
	at RSInterface.method209(RSInterface.java:2918)
	at client.drawInterface(client.java:8658)
	at client.drawChatArea(client.java:602)
	at client.drawGameScreen(client.java:8309)
	at client.processDrawing(client.java:9093)
	at RSApplet.run(RSApplet.java:96)
	at client.run(client.java:5236)
	at java.lang.Thread.run(Unknown Source)

Can someone please help I don't know what's going on.