SD Card got corrupted after trying to delete pspemu

[Alex]

So my sd card got corrupted after trying to delete the pspemu folder (didn't know it was a system folder) and now its not recognised. I get a popup every time i turn the vita on asking me to format it but it gives me C4-10278-8 error if I try. Is there something I can do? Vitashell was installed on the card so im left with no apps on the vita.

[Masamune3210]

Go ask on discord or somewhere else, this is for issues specifically with VitaShell itself, not for issues with the surrounding environment