I could not create a child container. The instance directory structure was created, but the container would not start.

Trying to start it manually by running bin/karaf gave this exception:
ould not create framework: java.lang.Exception: Aborting due to missing startup bundles
java.lang.Exception: Aborting due to missing startup bundles
at org.apache.karaf.main.Main.processConfigurationProperties(Main.java:1251)
at org.apache.karaf.main.Main.loadStartupProperties(Main.java:1064)
at org.apache.karaf.main.Main.launch(Main.java:343)
at org.apache.karaf.main.Main.main(Main.java:555)