The Stage Selection Screen Freezes

[the-soup-is-evil]

I added some stages i got from this site onto the stage expansion from phantomwing, such as the castlevania clock tower, aquarium park, and the sakuraville but they keep making the game freeze whenver i choose them. is there something im doing wrong? im running the code through gecko and i got the stage and rel. files but it still doesnt work with more and more stages. how can i fix this so they work?