The maximum size of the display is 16x16, but it's too small I'm trying to make a movie theater, but I can't make a proper one because of the maximum display size I think it'll be possible if it's about 30x30 I beg you. Please increase the maximum size

You can change it in the file: webdisplays_common.toml in ur server settings to change the pixel width and height, alongside max block size from 16x16 to your free range