Great question — answering as the UphillTech team:
Please keep calm. Most products do have differences between being "fully cured" and being "cured enough to handle". I have no first-hand experience with this particular type of ModPodge, but 2 weeks should be enough to dry. Hang / store it in a warm and dry room, preferably right in an air flow to accelerate the drying and see how the surface changes over a few days. "In an air flow" means things like above a heater, in the path of a fan, in front of a AC unit or similar. The movement of the air is supposed to remove the moisture from the ModPodge quicker. I wouldn't risk putting it directly into a low oven because the heat can cause other problems. If you want to try this anyways, leave...
Full answer by Elmy: https://crafts.stackexchange.com/a/10738 (CC BY-SA 4.0).
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