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via GitHub by fcecagno
, 1 year ago
Cannot invoke method getAt() on null object
java.lang.NullPointerException: Cannot invoke method getAt() on null object	at org.bigbluebutton.web.services.PresentationService$_closure13.doCall(PresentationService.groovy:172)	at org.bigbluebutton.web.controllers.PresentationController$_closure11.doCall(PresentationController.groovy:242)	at grails.plugin.cache.web.filter.PageFragmentCachingFilter.doFilter(PageFragmentCachingFilter.java:200)	at grails.plugin.cache.web.filter.AbstractFilter.doFilter(AbstractFilter.java:63)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:745)