What is your operating system?
kalmer@kalmer-GL752VW:~/Linux_Pentablet_V220.127.116.11$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.10
What is your Shotcut version (see Help > About Shotcut)? Is it 32-bit?
Can you repeat the problem? If so, what are the steps?
1 Find a post that has many replies that offer a solution!
2 Try to mark all of them as a solution!
3 See that once you mark another reply as a solution the former will be unmarked!