TIB Internet Banking error

Dear All,
I have a problem with TIB Internet Banking. It is a time to run the following error message:
HTTP Status 500 -

---

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet execution threw an exception


root cause

java.lang.OutOfMemoryError
java.lang.StringCoding.decode(StringCoding.java(Compiled Code))
java.lang.StringCoding.decode(StringCoding.java(Inlined Compiled Code))
java.lang.String.<init>(String.java(Compiled Code))
java.lang.String.<init>(String.java(Inlined Compiled Code))
com.jbase.jwbconnector.JWBConnection.processRequestjBASE(Unknown Source)
com.jbase.jwbconnector.JWBConnectorServlet.doGet(Unknown Source)
com.jbase.jwbconnector.JWBConnectorServlet.doPost(Unknown Source)
javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))
javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled Code))


note The full stack trace of the root cause is available in the Apache Tomcat/5.5.26 logs.

Is there way to fix this?