Restarting evolution or e-d-s did not solve the problem.
As a workaround, to hide the problem, I can do the following:
1. Create a new folder
2. Drag all messages to the new folder
3. Drag all the messages from the new folder back to the original folder
Restarting evolution or e-d-s did not solve the problem.
As a workaround, to hide the problem, I can do the following:
1. Create a new folder
2. Drag all messages to the new folder
3. Drag all the messages from the new folder back to the original folder