Collapsing Polysurfaces

Hey everyone, I’m having a bit of a headache with this modelling cause for some reason my edges can’t form a proper loft:

It seems things start to go wrong as soon as I loft the curves:

Also, if anyone would know of a more efficient way ot achieving this geometry, I’d appreciate it, this one seems very unstable

Mapped Facade - Polysurface Error.gh (56.0 KB)