The configuration update container will create missing share directories if they don't exist (as well as setting up initial perms). However, this will not work if the container doesn't have access to the data volume. Give the container access to the data volume.
I 100% hit the merge button and github closed the PR on me. Two times! This one I carefully made sure I hit the correct button.... sure enough. blammo. closed pr!
The configuration update container will create missing share directories if they don't exist (as well as setting up initial perms). However, this will not work if the container doesn't have access to the data volume. Give the container access to the data volume.