LKC-28 added arbitrary parameter "toolContentId". And when it's available - it recalculates marks only for the sessions belonging to that toolContent, if this parameter is missing - it goes in a loop and recalculates for session uids from 1 to 20 000.
LDEV-3444 fixing java.lang.NullPointerException at org.lamsfoundation.lams.tool.scratchie.web.action.LearningAction.start(LearningAction.java:276) that occurred in cases when general burning question was left first and only then all other burning questions