Website 503 error - Request timed out waiting to execute

Within the application log, I have several "File not found:" errors.

I also have a recurring error - "Error","jrpp-3","08/07/14","07:10:51",,"Element START is undefined in FORM. The specific sequence of files included or processed is: 'path to file', line: 123 "

In the exception.log, here is the matching entry for the recurring error above:

"Error","jrpp-3","08/07/14","07:10:51",,"Element START is undefined in FORM. The specific sequence of files included or processed is: 'path to file', line: 123 "

coldfusion.runtime.UndefinedElementException: Element START is undefined in FORM.

        at coldfusion.runtime.CfJspPage.resolveCanonicalName(CfJspPage.java:1724)

        at coldfusion.runtime.CfJspPage._resolve(CfJspPage.java:1677)

        at coldfusion.runtime.CfJspPage._resolveAndAutoscalarize(CfJspPage.java:1812)

        at coldfusion.runtime.CfJspPage._resolveAndAutoscalarize(CfJspPage.java:1805)

        at cfschedule22ecfm357617132.runPage(/var/www/html/disted/public_html/schedule/schedule2.cfm:123)

        at coldfusion.runtime.CfJspPage.invoke(CfJspPage.java:231)

        at coldfusion.tagext.lang.IncludeTag.doStartTag(IncludeTag.java:416)

        at coldfusion.filter.CfincludeFilter.invoke(CfincludeFilter.java:65)

        at coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:381)

        at coldfusion.filter.RequestMonitorFilter.invoke(RequestMonitorFilter.java:48)

        at coldfusion.filter.MonitoringFilter.invoke(MonitoringFilter.java:40)

        at coldfusion.filter.PathFilter.invoke(PathFilter.java:94)

        at coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:70)

        at coldfusion.filter.BrowserDebugFilter.invoke(BrowserDebugFilter.java:79)

        at coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:28)

        at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38)

        at coldfusion.filter.NoCacheFilter.invoke(NoCacheFilter.java:46)

        at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38)

        at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22)

        at coldfusion.filter.CachingFilter.invoke(CachingFilter.java:62)

        at coldfusion.CfmServlet.service(CfmServlet.java:200)

        at coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:89)

        at jrun.servlet.FilterChain.doFilter(FilterChain.java:86)

        at coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:42)

        at coldfusion.bootstrap.BootstrapFilter.doFilter(BootstrapFilter.java:46)

        at jrun.servlet.FilterChain.doFilter(FilterChain.java:94)

        at jrun.servlet.FilterChain.service(FilterChain.java:101)

        at jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:106)

        at jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42)

        at jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:286)

        at jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:543)

        at jrun.servlet.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:203)

        at jrunx.scheduler.ThreadPool$DownstreamMetrics.invokeRunnable(ThreadPool.java:320)

        at jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:428)

        at jrunx.scheduler.ThreadPool$UpstreamMetrics.invokeRunnable(ThreadPool.java:266)

        at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)

Not sure if any of this is related. Thanks for the help.