When I deploy the Kotlin spring application template I get this error: ``` no main manifest attribute, in build/libs/demo-0.0.1-SNAPSHOT-plain.jar no main manifest attribute, in build/libs/demo-0.0.1-SNAPSHOT-plain.jar no main manifest attribute, in build/libs/demo-0.0.1-SNAPSHOT-plain.jar no main manifest attribute, in build/libs/demo-0.0.1-SNAPSHOT-plain.jar no main manifest attribute, in build/libs/demo-0.0.1-SNAPSHOT-plain.jar no main manifest attribute, in build/libs/demo-0.0.1-SNAPSHOT-plain.jar no main manifest attribute, in build/libs/demo-0.0.1-SNAPSHOT-plain.jar no main manifest attribute, in build/libs/demo-0.0.1-SNAPSHOT-plain.jar no main manifest attribute, in build/libs/demo-0.0.1-SNAPSHOT-plain.jar no main manifest attribute, in build/libs/demo-0.0.1-SNAPSHOT-plain.jar ```