Paper Mario: The Thousand-Year Door

[Emuking2000]

I have Paper Mario: The Thousand-Year Door runs fine but when I play there is this green thing on the sides after the first cutscene I watched a playthrough there was no green bars on the sides of the playthrough

how its suppose to look like: https://imgur.com/a/hmNKygm

Mine: https://imgur.com/a/Ar6yoEP

Pls help.