Thread: Heap Error

Im using BS's client and ive added a couple things but whenever i try to log in i get a heap space error when i made the client only 23 mb.. the cache is 20 and do the math for the rest. heres the error:

Code:

Exception in thread "Thread-4" java.lang.OutOfMemoryError: Java heap space
        at Model.<init>(Model.java:235)
        at Model.method462(Model.java:186)
        at ObjectDef.method581(ObjectDef.java:205)
        at ObjectDef.method578(ObjectDef.java:128)
        at ObjectManager.method175(ObjectManager.java:532)
        at ObjectManager.method190(ObjectManager.java:1378)
        at client.method22(client.java:713)
        at client.method54(client.java:3020)
        at client.loadingStages(client.java:2970)
        at client.mainGameProcessor(client.java:3520)
        at client.processGameLoop(client.java:2372)
        at RSApplet.run(RSApplet.java:138)
        at client.run(client.java:4942)
        at java.lang.Thread.run(Thread.java:619)