I had the same issue, and the solution posted here appears to have worked perfectly: https://ubuntuforums.org/showthread.php?t=2441409
(Make sure to do the simulation with the -s flag first, to ensure that there are no other packages affected by a forced upgrade than those of libc++1* packages – see the example output of the simulation run in the above-linked thread.
I had the same issue, and the solution posted here appears to have worked perfectly: /ubuntuforums. org/showthread. php?t=2441409
https:/
(Make sure to do the simulation with the -s flag first, to ensure that there are no other packages affected by a forced upgrade than those of libc++1* packages – see the example output of the simulation run in the above-linked thread.