DB missing index on NC 14

I’m running same version as you. What’s not working?
My setup:

  • Synology NAS with DSM 6.2.1-23824.
  • PHP 7.0.30 and MariaDB 10.3.7-0051

I made a post about my NC upgrade from 13.07 to 14.0.3 her:

Have a look and see if it can help