"Unable to build KieBase, could not find include:" with kie-maven-plugin

[INFO] Adding Service +org.kie.dmn.core.assembler.DMNAssemblerService

[INFO] Adding Service +org.kie.dmn.core.runtime.DMNRuntimeService

[INFO] Adding Service +org.kie.dmn.core.weaver.DMNWeaverService

[ERROR] Unable to build KieBase, could not find include: subkbase
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  3.507 s
[INFO] Finished at: 2019-10-03T17:24:43+09:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.kie:kie-maven-plugin:7.23.0.Final:build (default-build) on project kbase-parent: Execution default-build of goal org.kie:kie-maven-plugin:7.23.0.Final:build failed: Unable to get KieModule, Errors Existed: Error Messages:
[ERROR] Message [id=1, kieBase=parentkbase, level=ERROR, path=src/main/resources/META-INF/kmodule.xml, line=0, column=0
[ERROR]    text=Unable to build KieBase, could not find include: subkbase]
[ERROR] ---
[ERROR] Warning Messages:
[ERROR] ---
[ERROR] Info Messages:
[ERROR] 
[ERROR] -> [Help 1]