I'm experiencing the same issue. I adjusted perms based on the error message, I set the appdata meshmonitor directory to 755 and nobody:users instead of root:root, I manually created an empty meshmonitor.db file, I set the UMASK in the template to 000 instead of the default 022, I deleted the meshmonitor directory and let it be recreated, no luck. The "logs" and "scripts" directories get created, but nothing else.