1. Check that the Java Architect module and the JDK 11 library are installed in your project

  1. In the Modelio tool bar, click on the "config Open the project configurator" button.

  2. Select the "Modules" tab

  3. Check that the Java Architect is enabled in the project’s modules list

java architect module
  1. Select the "Libraries" tab

  2. Check that the JDK 11 model component is present in the local libraries list

jdk11 library

2. Check Java Architect module parameters

  1. Back in the "Modules" tab, select the Java Architect module.

  2. Go to the "Project’s modules parameters" table,

  3. Look for the "Java Architect/General/JDK version" parameter.

  4. Check it is "Java 11"

jdk version 11
  1. In the "Java Architect/Directories" section,

  2. Check the "JDK path" and correct it if needed.

jdk path 11
Note You will need a Java 11 JDK installed on your workstation. You may download one at: https://adoptopenjdk.net/?variant=openjdk11