Imagebot Error 4300 File not found

[jessecheng321]

my Imagebot in app work very well few minute ago
but it get this error now. (the app and code is all same)
please someone help

[Maadhava_Kurudumale]

same here someone please give a solution

[Roeland]

I have the same problem: I can't make it work but I was looking for tutorial.