Android Question DPF Digital Picture Frame

Hi there,

im totaly new to b4a, playing araound and found in the German Forum this App:

http://www.b4x.com/android/forum/threads/imageview-digitaler-bilderrahmen.15836/

App works, but after few minutes, app give an error:

java.io.FileNotFoundException: /mnt/storage/Pictures/cache: open failed: EISDIR (Is a directory)

can someone explain to me why ?

Regards
starkR