When you deploy the business-central.war to a wildfly14 you have to raise the mem (JAVA_OPTS) for starting WildFly.
If you do not increase the mem you get an error:
5:30:25,580 WARN [org.jboss.msc.service] (MSC service thread 1-2) MSC000007: An internal service error has occurred while processing an operation on service jboss.deployment.unit."kie-wb.war".WeldStartService: java.lang.OutOfMemoryError: GC overhead limit exceeded

This is not explained in any doc - but should.

Wildfly 14.0.1 starts with mem values that don't support the deployment of business-central