I have the Map0003.lmu in my game's project folder, but it does not appear in this list within the program. Map0001 and Map0002 are there, and I made 0003 just yestoday! Needy helpy pleasey.
(I am new to Rm2k)
you prbably didny save it afterwards or the fact that if you dont name your game description that it will look like that