Audiveris only interprets 4 out of 8 pages

I have an pdf songfile that consists of 8 pages.
Only 3 pages are converted to gray and than the program just sits there.
Can somebody help me out here, plse?

Have a look at the console output:

Logging to file C:\Users\pvh\AppData\Local\Temp\audiveris-20160420T141659.log
Environment:
- Audiveris: 4.3.3406:46d8628b4e4c
- OS: Windows 10 10.0
- Architecture: x86
- Java VM: Java HotSpot(TM) Client VM (build 25.77-b03, mixed mode)
Loading native libraries ...
Loaded library jniTessBridge
Loaded library libtesseract302
Loaded library liblept168
All libraries loaded.
Loading E:\Scanned Music\Rising_King004.pdf ...
pic-8970537503659644026.tif contains 8 images
Loaded image #1 (2550 x 4200)
Loaded image #2 (2550 x 4200)
Loaded image #3 (2550 x 4200)
Loaded image #4 (2550 x 4200)
Loaded image #5 (2550 x 4200)
Loaded image #6 (2550 x 4200)
Loaded image #7 (2550 x 4200)
Loaded image #8 (2550 x 4200)
Converting RGB image to gray ...
Converting RGB image to gray ...
Converting RGB image to gray ...