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Wednesday 7 February 2018 at 20:53
Check the crater switch, does it work? When the ball is there does it score points?
Read up on your game to see how to qualify for multiball. Was it lit as you entered the crater?
Check the crater eject mech is working. Physically moves easy 1st then check other causes for issue.
Source: http://pinside.com/pinball/forum/topic/strange-gameplay-issues#post-4217579