Importing to a headered ROM corrupts it

[racknae]

Clicking "no" on the "remove header" prompt seemingly allows you to use the program as normal with a headered ROM, but importing levels to a headered ROM corrupts the level data. (incorrect object and sprite counts, incorrect total sizes, incorrect/invalid pointers)

Importing entrance data to a headered ROM also corrupts the ROM.

[racknae]

After doing some more testing, it looks like only importing is broken. Exporting levels from a headered ROM works as expected.