GR 3.9 ImportError: generic_type: type "sink" referenced unknown base type "gr::hier_block2"

Hello all, Just re-installed Ubuntu 20.04 LTS and GR 3.9 today. According to gnuradoi-config-info -v, I'm currently working with GR 3.9.1.0. As a test, I wanted to build a simple FM Receiver, composed of just an osmocom source, DC blocker, and QT GUI sink. However, when I execute the flowgraph,

Re: GNU Radio gr-osmosdr on Ubuntu Installation Error; Kali Successfully Installs but Can’t Run

Hi all, Thank you for the feedback! I've managed to figure this out on my own. Essentially, I followed this guide that another user put together a couple months ago: https://lists.gnu.org/archive/html/discuss-gnuradio/2020-09/pdfNp27msymbN.pdf NOTE: This guide uses GRC 3.8. Currently, gr-osmosdr

GNU Radio gr-osmosdr on Ubuntu Installation Error; Kali Successfully Installs but Can’t Run

Dear all, My main goal is to simply get the HackRF One FM receiver to work on GRC. In short, I’ve tried: - GNU Radio installation on Ubuntu 20.04 via PPAs, PyBOMBS, and source. Unfortunately, no variation yields the osmocom source I need. Additional attempts to install gr-osmosdr, via default