You cannot update and save your system configuration to version 4.0 from Axxon Next 3.6 and older versions.

When migrating from younger versions, you need to:

  1. Remove the old version

    Full articles:

    Removal

    설치


  2. Install a new version.
  3. Reconfigure the system.

You can install a new build within the same version without removing the older build. This saves the system configuration.

Full article Update