[Qt-creator] Error when trying to install commercial Qt Creator package

Hello together,

I try to install qt-creator-linux-x86-commercial-2.0.0.bin from command line. There I got an error an I dont't know how to change this:

1. source qt-license-4.6.3
2. ./qt-creator-linux-x86-commercial-2.0.0.bin --installer-language de --license_licensee $Licensee --license_key $LicenseKeyExt --installdir /usr/local/ --mode unattended --debuglevel 4
   Problem running post-install step. Installation may not complete correctly
   Die Datei **unknown variable license_check_output** konnte nicht entpackt werden, da sie nicht gefunden wurde
3. echo $?
   1
   #

If I install this with the graphical installer, all works with the credentials from qt-license-4.6.3.