Corrupt sd card?

Hi there,
I used Fett’s OS7 library to make an alt font with 8 different blades.
Can a slow or corrupt sd give error in font directory on bootup? Ran in serial monitor typed in effects and got a bunch of missing files like hum and other files but they are there and properly numbered. When I ignite the saber sometimes no hum or clash? Other times it works.

Thanks for any help

With altNNN, every alt folder needs EXACTLY the same files AND those files cannot have duplicates in the root of the font. If you’re getting Error in Font Directory then you have a mismatch of file nanes/ numbers somewhere. Double check the effects output against each alt and the root, odds are there’s a mismatch somewhere.

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Ok thank you Fett

Or in your common folder.

That is supposed to work though.
If an effect is found in the font folder, it shouldn’t matter what files exists for that effect in the common folder. (assuming standard “font;common” font path.)

If it doesn’t work like that, please start a thread about and I will investigate.

I was referring to this problem I had with Alt folders: