java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at psdi.iface.mos.MboXMLUtil.setColumnInMbo(MboXMLUtil.java:491)
at psdi.iface.mos.MboXMLUtil.mosXmlToMbo(MboXMLUtil.java:354)
at psdi.iface.mos.MosProcessImpl.setMboData(MosProcessImpl.java:2000)
at psdi.iface.mos.MosProcessImpl.setMainMaximoTable(MosProcessImpl.java:1106)
at psdi.iface.mos.MosProcessImpl.fillMaximoTables(MosProcessImpl.java:769)
at psdi.iface.mos.MosProcessImpl.processExternalData(MosProcessImpl.java:316)
at psdi.iface.mos.MosProcessImpl.processObjectStructureService(MosProcessImpl.java:212)
at psdi.iface.mic.MicService.processObjectStructureData(MicService.java:2080)
at psdi.iface.mic.MicService.processOSLC(MicService.java:1728)
at psdi.iface.mic.MicService.processOSLCJSON(MicService.java:1640)
at com.ibm.tivoli.maximo.oslc.provider.MaximoOslcProviderServlet.processPostPut(MaximoOslcProviderServlet.java:2037)
at com.ibm.tivoli.maximo.oslc.provider.MaximoOslcProviderServlet.doPost(MaximoOslcProviderServlet.java:219)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:595)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1230)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:779)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:478)
at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.invokeTarget(WebAppFilterChain.java:136)
at psdi.webclient.system.filter.HttpXFrameOptionsFilter.doFilter(HttpXFrameOptionsFilter.java:38)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at psdi.webclient.system.filter.MTContextFilter.doFilter(MTContextFilter.java:53)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:960)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1064)
at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:87)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:914)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:200)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:461)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:528)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:314)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:285)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1864)

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