#6568 WME: Hamlet - Error in Intro

ScummVM 1.7.0git (Apr 3 2014 09:25:57)
Features compiled in: Vorbis FLAC MP3 RGB zLib MPEG2 Theora AAC FreeType2 JPEG PNG

I get an
SXFile::openForWrite - WriteFiles not supported!
Error in the intro of Hamlet, after the second bookpage displayed hints to play the game.

Hamlet or the last game without MMORPS features, shaders and product placement (Windows/English)

AmigaOS4 - PPC - SDL - BE
gcc (GCC) 4.2.4 (adtools build 20090118)