Install libgnuradio-pmt3.7.11 by entering the following commands in the terminal:
sudo apt update sudo apt install libgnuradio-pmt3.7.11
Description:
gnuradio pmt container library
Polymorphic Types are opaque data types that are designed as generic containers of data that can be safely passed around between blocks and threads in GNU Radio. Part of the main gnuradio build.
Homepage: http://gnuradio.org/
Version: 3.7.11-10
Section: universe/libs