When I launch Remmina from the terminal, I get:

Failed to load plugin: /usr/lib64/remmina/plugins/remmina-plugin-rdp.so.
Error: /usr/lib64/remmina/plugins/remmina-plugin-rdp.so: undefined symbol: freerdp_channels_free

Naturally, RDP sessions refuse to run. Things work the same way if I launch Remmina from the desktop (except that the error message is hidden).

The following packages appear to be relevant:


This has been the case for at least a couple of months.