Installing on Raspberry Pi3 B+ lazarus / 1-Linux ---------------------------------------------------------------------- JimD · 2018-12-07 15:05 Installed fpc-3.0.4 / lazarus-1.8.4, but cannot install AnchorDockingDsgn. Get error 'Cannot find anchordockingdsgn used by Lazarus'. Same issue trying to install other packages. I'm rather ignorant with Linux so help is appreciated. I read other posts but do not understand how this was resolved. I tried sudo chmod a+rwx /usr/lib/lazarus -R but did not resolve the error. Installed using instructions from several posts by Thaddy as follows:   1. Add stretch-backports to sources.list    Create:   /etc/apt/sources.list.d/backports.list    Add:      deb http://ftp.debian.org/debian stretch-backports main    Update:   sudo apt-get update 2.  FPC 3.0.4 and Lazarus 1.8.4 are both in stretch-backports      Use apt or apt-get, need to install with the -t option.      Answer Y to install without verification.    sudo apt-get -t stretch-backports install "fpc-3.0.4"    sudo apt-get -t stretch-backports install "lazarus-1.8"