Folder Sync connections lost client 3.0.1 on macOS

Also experienced that 2 of my 4 folder sync connections lost during upgrade 2.6.5 to 3.0.1 client

differences in nextcloud.cfg file entries for the two folders:

2 entries were like this:
0\Folders\1\journalPath=/Users/username/Library/Application Support/Nextcloud/._sync_23aa2ce272cf.db
2 entries were like this:

Same here, lost all folder sync except the 1st one when upgrading to version 3.0.1 on macOS 10.15.5. Will need to inform my family to be careful