License should be either proprietary or one listed on the SPDX page.

Nocompliant Code Example

{
  ...
  "license": blabla
  ...
}

Compliant Solution

{
  ...
  "license": "proprietary"
  ...
}

{
  ...
  "license": "LGPL-3.0"
  ...
}

See

• Puppet Labs documentation - Write a metadata.json File

List of Licenses