Create a quiz Add a calculated question This question should be setup to have a shared wildcard X with 10 datasets with the set synchronized Add another calculated question This question should be setup to have a shared wildcard Y with at least 2 datasets (or some number less than X has. The bigger the difference the more likely to trip the error) with the set synchronized. Have the X and Y wildcards in each questions text body so you can verify different values for X being chosen when previewing. Preview the quiz - keep clicking the start new preview button Expected outcome: Quiz is displayed Actual outcome: As soon as variant is picked for Q1 that is higher than the number available for Q2, you'll get a fatal error.