The image exists in jar file and it is used in all forms of the same project without returning error.
the image is part of the header of all forms and as few in this subroutine that generates the error.
B4X:
Dim ImageFiles() As String=Array As String("CkFalse.png", "CkTrue.png", "logoinn.png", "TxtSepar.png")
CopyAssetsToTemp(ImageFiles)
...
...
Private Sub CopyAssetsToTemp(Filenames() As String)
Dim i As Int
For i=0 To Filenames.Length-1
If Not(File.Exists(tpPath, Filenames(i))) Then
File.Copy(File.DirAssets, Filenames(i), tpPath, Filenames(i))
End If
Next
End sub