A few things that can cause conversion to fail:
- Having incorrect maps in your map tab due to using Currency on maps while they are in the tab (for example if I use a Vaal orb on a Pier map, it can corrupt into a Peninsula map while still being in the Pier map tab).
- Having more than 72 maps TOTAL of the same type of Unique map, for example if I had 60 T4 "Pillars of Arun" and 18 T14 "Pillars of Arun", the TOTAL results in 78 which is greater than 72, removing some maps so that the TOTAL is 72 or lower will fix this problem.
- Having T16 Elder maps from before Conqueror of the Atlas was introduced, in this case failure will only occur if there's too many DIFFERENT types of T16 maps in total, easier solution is here temporarily removing all your T16 Elder maps
In the case of converting Metamorph series into Delirium, the following can also cause conversion to fail:
- The total amount of T6 AshenWood, T6 Lookout AND T6 Graveyard is g...
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