Sqlite errocde 14

so, for whatever reason i had to check on the log file and I see this two lines constanly.

i am running server version 2.5.31

WARNING: SQLite: cannot open file at line 36982 of [3bfa9cc97d] errorcode: 14
WARNING: SQLite: os_unix.c:36982: (40) openDirectory(/usr/local/var/urbackup) - errorcode: 14

can someone shed some light onto this ?