Wildfly throws exception during startup

2018-04-17 19:56:22,667 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-1) MSC000001: Failed to start service jboss.modeshape.Documents.monitor: org.jboss.msc.service.StartException in service jboss
.modeshape.Documents.monitor: Failed to start service
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1904)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalStateException: org.modeshape.jcr.NoSuchRepositoryException: There is no repository named "Documents"
at org.modeshape.jboss.service.RepositoryService.getValue(RepositoryService.java:100)
at org.modeshape.jboss.service.RepositoryService.getValue(RepositoryService.java:65)
at org.jboss.msc.service.ServiceControllerImpl.getValue(ServiceControllerImpl.java:1158)
at org.jboss.msc.service.ServiceRegistrationImpl.getValue(ServiceRegistrationImpl.java:199)
at org.jboss.msc.service.ServiceControllerImpl.doInject(ServiceControllerImpl.java:1672)
at org.jboss.msc.service.ServiceControllerImpl.access$2000(ServiceControllerImpl.java:51)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.performInjections(ServiceControllerImpl.java:1917)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1876)
... 3 more
Caused by: org.modeshape.jcr.NoSuchRepositoryException: There is no repository named "Documents"
at org.modeshape.jcr.ModeShapeEngine.getRepository(ModeShapeEngine.java:259)
at org.modeshape.jboss.service.RepositoryService.getValue(RepositoryService.java:98)
... 10 more

2018-04-17 19:56:22,671 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-7) MSC000001: Failed to start service jboss.modeshape.Documents.repository.reference-factory: org.jboss.msc.service.StartExcep
tion in service jboss.modeshape.Documents.repository.reference-factory: Failed to start service
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1904)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalStateException
at org.jboss.msc.value.InjectedValue.getValue(InjectedValue.java:47)
at org.modeshape.jboss.service.RepositoryService.getEngine(RepositoryService.java:105)
at org.modeshape.jboss.service.RepositoryService.getValue(RepositoryService.java:98)
at org.modeshape.jboss.service.RepositoryService.getValue(RepositoryService.java:65)
at org.jboss.msc.service.ServiceControllerImpl.getValue(ServiceControllerImpl.java:1158)
at org.jboss.msc.service.ServiceRegistrationImpl.getValue(ServiceRegistrationImpl.java:199)
at org.jboss.msc.service.ServiceControllerImpl.doInject(ServiceControllerImpl.java:1672)
at org.jboss.msc.service.ServiceControllerImpl.access$2000(ServiceControllerImpl.java:51)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.performInjections(ServiceControllerImpl.java:1917)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1876)
... 3 more

Modeshape subsystem starts and can handle the requests.despite the exceptions.