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If you wire the event registration refnum to more than one Event structure, each Event structure handles dynamic events out of the same event queue. This can occur if you branch the event reg refnum out output of a Register For Events function to another Event structure. This causes a race condition, because the first Event structure to handle the event can prevent the other Event structure from receiving the event if it completes the event case before the other Event structure executes.

To avoid this problem, make sure you wire each Event structure which handles dynamic events to a unique Register For Events function.