PBW error when accpeting replacement

[Shapeshifter]

Greetings

I try to accept an replacement player in the game Deep space encounter at the saiv PBW site but when i do so I get this error message.
Is there a way around this ?
I thank for any reply.

Error: 500
Location: /GameAdmin
Internal Servlet Error:

java.lang.NullPointerException
at com.coolservlets.forum.database.DbAuthorizationFac tory.createAuthorization(DbAuthorizationFactory.ja va:119)
at com.coolservlets.forum.AuthorizationFactory.getAut horization(AuthorizationFactory.java:103)
at cc.dpf.pbw.JiveAdapter.getAdministrator(JiveAdapte r.java:96)
at cc.dpf.pbw.JiveAdapter.updateGroupMembers(JiveAdap ter.java:113)
at cc.dpf.pbw.JiveAdapter.updateGameForum(JiveAdapter .java:249)
at cc.dpf.pbw.seiv.Player.setStatus(Player.java:394)
at cc.dpf.pbw.seiv.Game.approvePlayer(Game.java:2153)
at cc.dpf.pbw.servlet.seiv.GameAdmin.commandPlayerApp rove(GameAdmin.java:662)
at cc.dpf.pbw.servlet.seiv.GameAdmin.processRequest(G ameAdmin.java:872)
at cc.dpf.pbw.servlet.seiv.GameAdmin.doGet(GameAdmin. java:962)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:853)
at org.apache.tomcat.core.ServletWrapper.doService(Se rvletWrapper.java:405)
at org.apache.tomcat.core.Handler.service(Handler.jav a:287)
at org.apache.tomcat.core.ServletWrapper.service(Serv letWrapper.java:372)
at org.apache.tomcat.core.ContextManager.internalServ ice(ContextManager.java:797)
at org.apache.tomcat.core.ContextManager.service(Cont extManager.java:743)
at org.apache.tomcat.service.connector.Ajp13Connectio nHandler.processConnection(Ajp13ConnectionHandler. java:160)
at org.apache.tomcat.service.TcpWorkerThread.runIt(Po olTcpEndpoint.java:416)
at org.apache.tomcat.util.ThreadPool$ControlRunnable. run(ThreadPool.java:501)
at java.lang.Thread.run(Thread.java:484)