Can't find unit - FPC 3.0.4 lazarus / 1-Linux ---------------------------------------------------------------------- petreos · 2018-05-19 21:33 Hello, I have a big problem:  1 How to install FPC 3.0.4 correctly in Ubuntu 81.04?  2 Help me with Units in OPTIONS => DIRECTORIES  3 compilation errors:  3.1 can't find unit system used by program  3.2 can't find unit Crt,Graph...etc. Please help me!